CVE-2026-3271

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The exploit has been made public and could be used."}, {"lang": "es", "value": "Se encontr\u00f3 una vulnerabilidad en Tenda F453 1.0.0.3. Esto afecta la funci\u00f3n fromP2pListFilter del archivo /goform/P2pListFilterof del componente httpd. La manipulaci\u00f3n del argumento page resulta en desbordamiento de b\u00fafer. El ataque puede ser lanzado remotamente. El exploit ha sido hecho p\u00fablico y podr\u00eda ser usado."}], "id": "CVE-2026-3271", "lastModified": "2026-06-17T10:43:18.900", "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": "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": 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"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-3271", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-02-27T17:25:19.712834Z", "version": "2.0.3"}}]}, "published": "2026-02-27T00:16:59.143", "references": [{"source": "cna@vuldb.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/Litengzheng/vul_db/blob/main/F453/vul_70/README.md"}, {"source": "cna@vuldb.com", "tags": ["Permissions Required", "VDB Entry"], "url": "https://vuldb.com/?ctiid.347995"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/?id.347995"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/?submit.759601"}, {"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-120"}], "source": "cna@vuldb.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-120"}], "source": "nvd@nist.gov", "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": "2026-04-17T14:09:28.700400+00:00", "value": {"mitigation_remediation": ["Update the router firmware to the latest release that includes the buffer overflow fix.", "Reboot the router after applying the firmware upgrade to ensure all services reload with the corrected code.", "If a firmware upgrade is not immediately available, block external access to the /goform/P2pListFilterof endpoint using firewall rules or web filtering to prevent remote exploitation.", "Monitor router logs for anomalous requests or errors that may indicate attempted exploitation."], "summary": {"action": "Immediate Patch", "impact": "Remote Buffer Overflow leading to potential code execution"}, "threat_synthesis": {"affected_systems": "The vulnerability applies to the Tenda F453 router running firmware version 1.0.0.3. No other Tenda models or firmware versions are indicated as affected.", "description_and_impact": "A buffer overflow occurs in the fromP2pListFilter function within the httpd component, triggered by the page parameter of the /goform/P2pListFilterof interface. The flaw allows an attacker to overwrite stack or heap memory, which can result in arbitrary code execution, denial of service, and full compromise of the affected Tenda F453 router. The weakness aligns with improper boundary checks and buffer overrun vulnerabilities (CWE-119 and CWE-120).", "risk_and_exploitability": "The scored CVSS is 8.7, indicating high severity. The EPSS is below 1%, suggesting low current exploitation probability, but the exploit exists publicly and can be launched remotely via crafted HTTP requests. The vulnerability is not listed in the CISA KEV catalog, so there is no mandatory government mitigation. An attacker with network access to the router\u2019s management interface can send malicious requests and potentially take full control of the device."}}}}, "created": "2026-02-27T09:03:24.432503+00:00", "updated": "2026-04-17T14:15:21.811681+00:00", "vendors": ["tenda", "tenda$PRODUCT$f453"], "weaknesses": ["CWE-119", "CWE-120"]}