{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-5105", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-03-29T17:50:56.050Z", "datePublished": "2026-03-30T03:00:20.891Z", "dateUpdated": "2026-03-30T13:58:27.213Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-03-30T03:00:20.891Z"}, "title": "Totolink A3300R Parameter cstecgi.cgi setVpnPassCfg command injection", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-77", "lang": "en", "description": "Command Injection"}]}, {"descriptions": [{"type": "CWE", "cweId": "CWE-74", "lang": "en", "description": "Injection"}]}], "affected": [{"vendor": "Totolink", "product": "A3300R", "versions": [{"version": "17.0.0cu.557_b20221024", "status": "affected"}], "cpes": ["cpe:2.3:o:totolink:a3300r_firmware:*:*:*:*:*:*:*:*"], "modules": ["Parameter Handler"]}], "descriptions": [{"lang": "en", "value": "A vulnerability was detected in Totolink A3300R 17.0.0cu.557_b20221024. The affected element is the function setVpnPassCfg of the file /cgi-bin/cstecgi.cgi of the component Parameter Handler. Performing a manipulation of the argument pptpPassThru results in command injection. It is possible to initiate the attack remotely. The exploit is now public and may be used."}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 5.3, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P", "baseSeverity": "MEDIUM"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 6.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R", "baseSeverity": "MEDIUM"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 6.3, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R", "baseSeverity": "MEDIUM"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 6.5, "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR"}}], "timeline": [{"time": "2026-03-29T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-03-29T01:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-03-29T19:56:13.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "LvHW (VulDB User)", "type": "reporter"}], "references": [{"url": "https://vuldb.com/vuln/354130", "name": "VDB-354130 | Totolink A3300R Parameter cstecgi.cgi setVpnPassCfg command injection", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/354130/cti", "name": "VDB-354130 | CTI Indicators (IOB, IOC, TTP, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/submit/779143", "name": "Submit #779143 | Totolink A3300R 17.0.0cu.557_b20221024 Command Injection", "tags": ["third-party-advisory"]}, {"url": "https://github.com/LvHongW/Vuln-of-totolink_A3300R/tree/main/A3300R_pptpPassThru_cmd_inject", "tags": ["exploit"]}, {"url": "https://www.totolink.net/", "tags": ["product"]}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-03-30T13:58:17.531799Z", "id": "CVE-2026-5105", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-30T13:58:27.213Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-5105", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-03-30T13:58:17.531799Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-30T13:58:21.503Z"}}], "cna": {"title": "Totolink A3300R Parameter cstecgi.cgi setVpnPassCfg command injection", "credits": [{"lang": "en", "type": "reporter", "value": "LvHW (VulDB User)"}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 5.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 6.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 6.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 6.5, "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR"}}], "affected": [{"cpes": ["cpe:2.3:o:totolink:a3300r_firmware:*:*:*:*:*:*:*:*"], "vendor": "Totolink", "modules": ["Parameter Handler"], "product": "A3300R", "versions": [{"status": "affected", "version": "17.0.0cu.557_b20221024"}]}], "timeline": [{"lang": "en", "time": "2026-03-29T00:00:00.000Z", "value": "Advisory disclosed"}, {"lang": "en", "time": "2026-03-29T01:00:00.000Z", "value": "VulDB entry created"}, {"lang": "en", "time": "2026-03-29T19:56:13.000Z", "value": "VulDB entry last update"}], "references": [{"url": "https://vuldb.com/vuln/354130", "name": "VDB-354130 | Totolink A3300R Parameter cstecgi.cgi setVpnPassCfg command injection", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/354130/cti", "name": "VDB-354130 | CTI Indicators (IOB, IOC, TTP, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/submit/779143", "name": "Submit #779143 | Totolink A3300R 17.0.0cu.557_b20221024 Command Injection", "tags": ["third-party-advisory"]}, {"url": "https://github.com/LvHongW/Vuln-of-totolink_A3300R/tree/main/A3300R_pptpPassThru_cmd_inject", "tags": ["exploit"]}, {"url": "https://www.totolink.net/", "tags": ["product"]}], "descriptions": [{"lang": "en", "value": "A vulnerability was detected in Totolink A3300R 17.0.0cu.557_b20221024. The affected element is the function setVpnPassCfg of the file /cgi-bin/cstecgi.cgi of the component Parameter Handler. Performing a manipulation of the argument pptpPassThru results in command injection. It is possible to initiate the attack remotely. The exploit is now public and may be used."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-77", "description": "Command Injection"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-74", "description": "Injection"}]}], "providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-03-30T03:00:20.891Z"}}}, "cveMetadata": {"cveId": "CVE-2026-5105", "state": "PUBLISHED", "dateUpdated": "2026-03-30T13:58:27.213Z", "dateReserved": "2026-03-29T17:50:56.050Z", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "datePublished": "2026-03-30T03:00:20.891Z", "assignerShortName": "VulDB"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:totolink:a3300r_firmware:17.0.0cu.557_b20221024:*:*:*:*:*:*:*", "matchCriteriaId": "DD39B647-3419-4C6D-A6A2-30F40822A27D", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:totolink:a3300r:-:*:*:*:*:*:*:*", "matchCriteriaId": "7F723A73-4B32-4F9E-B5DA-80134D4711C1", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was detected in Totolink A3300R 17.0.0cu.557_b20221024. The affected element is the function setVpnPassCfg of the file /cgi-bin/cstecgi.cgi of the component Parameter Handler. Performing a manipulation of the argument pptpPassThru results in command injection. It is possible to initiate the attack remotely. The exploit is now public and may be used."}, {"lang": "es", "value": "Una vulnerabilidad fue detectada en Totolink A3300R 17.0.0cu.557_b20221024. El elemento afectado es la funci\u00f3n setVpnPassCfg del archivo /cgi-bin/cstecgi.cgi del componente Gestor de Par\u00e1metros. Realizar una manipulaci\u00f3n del argumento pptpPassThru resulta en inyecci\u00f3n de comandos. Es posible iniciar el ataque remotamente. El exploit es ahora p\u00fablico y puede ser utilizado."}], "id": "CVE-2026-5105", "lastModified": "2026-04-29T01:00:01.613", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.4, "source": "cna@vuldb.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 2.1, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}]}, "published": "2026-03-30T04:16:09.680", "references": [{"source": "cna@vuldb.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/LvHongW/Vuln-of-totolink_A3300R/tree/main/A3300R_pptpPassThru_cmd_inject"}, {"source": "cna@vuldb.com", "tags": ["Permissions Required", "VDB Entry"], "url": "https://vuldb.com/submit/779143"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/vuln/354130"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/vuln/354130/cti"}, {"source": "cna@vuldb.com", "tags": ["Product"], "url": "https://www.totolink.net/"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-74"}, {"lang": "en", "value": "CWE-77"}], "source": "cna@vuldb.com", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-77"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "17.0.0cu.557_b20221024"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "A3300R", "source": "cna", "vendor": "Totolink"}, "product": "a3300r", "vendor": "totolink"}], "analysis": {"en": {"generated_at": "2026-03-30T16:50:43.456618+00:00", "value": {"mitigation_remediation": ["Update the router with the latest firmware that addresses the command injection flaw.", "If a patch is not available, disable the PPTP Pass\u2011Thru feature through the web interface to remove the vulnerable code path.", "Restrict access to the router\u2019s web\u2011based management interface to trusted IP addresses or the local network only.", "Monitor web\u2011interface logs for abnormal use of the cstecgi.cgi endpoint and investigate any suspicious parameters.", "Configure perimeter firewall or NAT rules to block external connections to the router\u2019s management ports."], "summary": {"action": "Apply Patch", "impact": "Remote Command Execution"}, "threat_synthesis": {"affected_systems": "The affected product is the Totolink A3300R router running firmware version 17.0.0cu.557_b20221024. No other products or firmware revisions are listed in the advisory.", "description_and_impact": "A flaw exists in the setVpnPassCfg function of the /cgi-bin/cstecgi.cgi component that handles the pptpPassThru parameter. An attacker who can supply a crafted value can inject arbitrary operating\u2011system commands that are subsequently executed by the router. This vulnerability satisfies both command injection and operating\u2011system command injection weakness classes, allowing the attacker to run code with the privileges of the web server process and potentially compromise the device and the internal network.", "risk_and_exploitability": "The CVSS base score is 5.3, indicating moderate severity, and the EPSS score of 3\u202f% suggests a low probability of exploitation in the wild. The vulnerability is not currently listed in the CISA KEV catalog. The advisory states that the attack can be initiated remotely, but it does not clarify whether authentication or administrative privileges are required; it is therefore inferred that access to the router\u2019s web interface may be necessary. Once reached, a crafted HTTP request carrying a malicious pptpPassThru value can trigger the injection with no further conditions noted."}}}}, "created": "2026-03-30T06:57:53.216019+00:00", "updated": "2026-03-30T20:56:10.266448+00:00", "vendors": ["totolink", "totolink$PRODUCT$a3300r"]}