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This affects the function FMT_rebuild_diskmgr/FMT_create_diskmgr/ScanDisk_run_e2fsck of the file /cgi-bin/dsk_mgr.cgi. Performing a manipulation results in command injection. The attack is possible to be carried out remotely. The exploit has been made public and could be used."}, {"lang": "es", "value": "Una vulnerabilidad fue encontrada en D-Link DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS-320LW, DNS-321, DNR-322L, DNS-323, DNS-325, DNS-326, DNS-327L, DNR-326, DNS-340L, DNS-343, DNS-345, DNS-726-4, DNS-1100-4, DNS-1200-05 y DNS-1550-04 hasta 20260205. Esto afecta a la funci\u00f3n FMT_rebuild_diskmgr/FMT_create_diskmgr/ScanDisk_run_e2fsck del archivo /cgi-bin/dsk_mgr.cgi. Realizar una manipulaci\u00f3n resulta en inyecci\u00f3n de comandos. El ataque es posible de ser llevado a cabo remotamente. El exploit ha sido hecho p\u00fablico y podr\u00eda ser usado."}], "id": "CVE-2026-4206", "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": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "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": "2026-03-16T14:20:06.203", "references": [{"source": "cna@vuldb.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_138/138.md"}, {"source": "cna@vuldb.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_139/139.md"}, {"source": "cna@vuldb.com", "tags": ["Permissions Required", "VDB Entry"], "url": "https://vuldb.com/?ctiid.351118"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/?id.351118"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/?submit.770417"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/?submit.770418"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/?submit.770419"}, {"source": "cna@vuldb.com", "tags": ["Product"], "url": "https://www.dlink.com/"}], "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"}]}

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"matching"}]}, "original": {"product": "DNS-340L", "source": "cna", "vendor": "D-Link"}, "product": "dns-340l", "vendor": "d-link"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "20260205"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "DNS-343", "source": "cna", "vendor": "D-Link"}, "product": "dns-343", "vendor": "d-link"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "20260205"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "DNS-345", "source": "cna", "vendor": "D-Link"}, "product": "dns-345", "vendor": "d-link"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "20260205"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "DNS-726-4", "source": "cna", "vendor": "D-Link"}, "product": "dns-726-4", "vendor": "d-link"}], "analysis": {"en": {"generated_at": "2026-03-19T15:35:22.339749+00:00", "value": {"mitigation_remediation": ["Apply the latest firmware update from D\u2011Link that addresses this command injection issue.", "If no update is available, disable the web\u2011based management interface or restrict it to a trusted management network only.", "Verify that the /cgi-bin/dsk_mgr.cgi script no longer accepts manipulated parameters by performing a local test or review audit logs for suspicious command execution attempts.", "Maintain monitoring for unauthorized access attempts and keep device logs enabled to detect potential exploitation attempts."], "summary": {"action": "Patch", "impact": "Remote Command Execution"}, "threat_synthesis": {"affected_systems": "The flaw affects a range of D\u2011Link products: DNR\u2011202L, DNR\u2011322L, DNR\u2011326, DNS\u20111100\u20114, DNS\u2011120, DNS\u20111200\u201105, DNS\u20111550\u201104, DNS\u2011315L, DNS\u2011320, DNS\u2011320L, DNS\u2011320LW, DNS\u2011321, DNS\u2011323, DNS\u2011325, DNS\u2011326, DNS\u2011327L, DNS\u2011340L, DNS\u2011343, DNS\u2011345, DNS\u2011726\u20114. Firmware versions up to 20260205 are vulnerable; newer releases are unaffected.", "description_and_impact": "A command injection flaw exists in the dsk_mgr.cgi web handler of multiple D\u2011Link routers. By manipulating the FMT_rebuild_diskmgr/FMT_create_diskmgr/ScanDisk_run_e2fsck functions, an attacker can inject arbitrary OS commands. The vulnerability is disclosed as a remote exploit; an attacker would achieve unauthorized code execution on the device, potentially leading to full system compromise and loss of device control. The weakness is identified as CWE\u201174 (Command Injection) and CWE\u201177 (Improper Control of Argument to Operating System Shell).", "risk_and_exploitability": "The CVSS score of 5.3 indicates a moderate severity, while the EPSS score of <1% suggests a low exploitation likelihood. The vulnerability is not listed in the CISA KEV catalog. Attackers would need to target the web interface of the router; the description does not detail authentication requirements, so it is inferred that unauthenticated access is possible. Given the moderate score and low EPSS, the threat remains present but the probability of a widespread exploit is relatively low at present."}}}}, "created": "2026-03-16T09:58:37.609327+00:00", "updated": "2026-03-23T14:00:42.731680+00:00", "vendors": ["d-link", "d-link$PRODUCT$dnr-202l", "d-link$PRODUCT$dnr-322l", "d-link$PRODUCT$dnr-326", "d-link$PRODUCT$dns-1100-4", "d-link$PRODUCT$dns-120", "d-link$PRODUCT$dns-1200-05", "d-link$PRODUCT$dns-1550-04", "d-link$PRODUCT$dns-315l", "d-link$PRODUCT$dns-320", "d-link$PRODUCT$dns-320l", "d-link$PRODUCT$dns-320lw", "d-link$PRODUCT$dns-321", "d-link$PRODUCT$dns-323", "d-link$PRODUCT$dns-325", "d-link$PRODUCT$dns-326", "d-link$PRODUCT$dns-327l", "d-link$PRODUCT$dns-340l", "d-link$PRODUCT$dns-343", "d-link$PRODUCT$dns-345", "d-link$PRODUCT$dns-726-4"]}