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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:tenda:f453_firmware:1.0.0.3:*:*:*:*:*:*:*", "matchCriteriaId": "66CB876C-7D99-4A12-91E3-FE153293C3F2", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:tenda:f453:-:*:*:*:*:*:*:*", "matchCriteriaId": "0B2C42B3-1621-4323-BAA4-4B71C33F7C4B", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was identified in Tenda F453 1.0.0.3. Impacted is the function fromNatlimit of the file /goform/Natlimit of the component Parameters Handler. The manipulation of the argument page leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit is publicly available and might be used."}, {"lang": "es", "value": "Se identific\u00f3 una vulnerabilidad en Tenda F453 1.0.0.3. Afecta a la funci\u00f3n fromNatlimit del archivo /goform/Natlimit del componente Gestor de Par\u00e1metros. La manipulaci\u00f3n del argumento page conduce a un desbordamiento de b\u00fafer basado en pila. Es posible iniciar el ataque de forma remota. El exploit est\u00e1 disponible p\u00fablicamente y podr\u00eda ser utilizado."}], "id": "CVE-2026-4553", "lastModified": "2026-04-02T20:50:57.523", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "COMPLETE", "baseScore": 9.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"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": "cna@vuldb.com", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.4, "baseSeverity": "HIGH", "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:H/VI:H/VA:H/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": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}]}, "published": "2026-03-22T16:16:04.300", "references": [{"source": "cna@vuldb.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/Litengzheng/vul_db/blob/main/F453/vul_88/README.md"}, {"source": "cna@vuldb.com", "tags": ["Permissions Required", "VDB Entry"], "url": "https://vuldb.com/?ctiid.352380"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/?id.352380"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/?submit.774931"}, {"source": "cna@vuldb.com", "tags": ["Product"], "url": "https://www.tenda.com.cn/"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}, {"lang": "en", "value": "CWE-121"}], "source": "cna@vuldb.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "1.0.0.3"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "F453", "source": "cna", "vendor": "Tenda"}, "product": "f453", "vendor": "tenda"}], "analysis": {"en": {"generated_at": "2026-04-03T00:23:04.799089+00:00", "value": {"mitigation_remediation": ["Update the device firmware to a fixed version released by Tenda.", "Disable remote administration or block the router\u2019s management ports from external networks if no update is available.", "Place the router behind a firewall and enforce strict network segmentation to prevent attackers from reaching the interface directly.", "Monitor traffic for suspicious POST requests to /goform/Natlimit and consider blocking unauthorized attempts."], "summary": {"action": "Immediate Patch", "impact": "Remote Code Execution"}, "threat_synthesis": {"affected_systems": "The vulnerability affects the Tenda F453 router running firmware version 1.0.0.3. It is specific to the Parameters Handler component on this model; no other firmware revisions are listed as impacted.", "description_and_impact": "A stack\u2011based buffer overflow exists in the fromNatlimit function of the /goform/Natlimit endpoint on Tenda F453 routers. When an attacker manipulates the 'page' argument, the overflow corrupts the stack and can be leveraged to execute arbitrary code or seize full control of the device. The flaw is classified as CWE\u2011119 and CWE\u2011121.", "risk_and_exploitability": "The CVSS score of 8.7 signals high severity, while the EPSS score of less than 1% indicates a low probability of widespread attacks, yet a publicly available exploit is known. The flaw is not listed in the CISA KEV catalog. The likely attack vector is remote, via the router\u2019s web interface, where an attacker crafts a malicious HTTP request to /goform/Natlimit to trigger the overflow. Access to the router and exposure of its management interface are prerequisites for exploitation."}}}}, "created": "2026-03-23T09:45:58.156597+00:00", "updated": "2026-04-03T09:39:13.050487+00:00", "vendors": ["tenda", "tenda$PRODUCT$f453"]}