CVE-2026-3811

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The exploit has been made public and could be used."}, {"lang": "es", "value": "Se encontr\u00f3 una vulnerabilidad en Tenda FH1202 1.2.0.14(408). Esto afecta la funci\u00f3n fromP2pListFilter del archivo /goform/P2pListFilter. La manipulaci\u00f3n del argumento page resulta en un desbordamiento de b\u00fafer basado en pila. El ataque puede ser ejecutado de forma remota. El exploit ha sido hecho p\u00fablico y podr\u00eda ser usado."}], "id": "CVE-2026-3811", "lastModified": "2026-06-17T10:44:16.627", "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"}], "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-2026-3811", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-03-09T18:15:59.458401Z", "version": "2.0.3"}}]}, "published": "2026-03-09T09:16:03.190", "references": [{"source": "cna@vuldb.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-fh1202-p2plistfilter-page-buffer-overflow"}, {"source": "cna@vuldb.com", "tags": ["Permissions Required", "VDB Entry"], "url": "https://vuldb.com/?ctiid.349777"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/?id.349777"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/?submit.769041"}, {"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": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "1.2.0.14(408)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "FH1202", "source": "cna", "vendor": "Tenda"}, "product": "fh1202", "vendor": "tenda"}], "analysis": {"en": {"generated_at": "2026-04-16T10:18:24.695973+00:00", "value": {"mitigation_remediation": ["Install the latest Tenda firmware that fixes the P2pListFilter buffer overflow (check the official Tenda support site for an update).", "If no patch is yet available, block or disable the /goform/P2pListFilter endpoint by adding firewall rules or disabling remote configuration features that expose the page argument.", "Restrict remote administrative access to trusted IP addresses or require VPN use, and employ network segmentation to limit the exposure of the router\u2019s management interface."], "summary": {"action": "Immediate Patch", "impact": "Remote Code Execution"}, "threat_synthesis": {"affected_systems": "The affected device is the Tenda FH1202 home router. The vulnerable firmware version is 1.2.0.14(408). No other Tenda products or firmware revisions are listed as affected.", "description_and_impact": "Tenda FH1202 routers running firmware 1.2.0.14(408) contain a stack\u2011based buffer overflow in the fromP2pListFilter function of the /goform/P2pListFilter page. Manipulating the page argument can overflow the stack, allowing an attacker to execute arbitrary code on the device. The attack can be performed remotely and the exploit has been made publicly available, indicating a legitimate threat channel.", "risk_and_exploitability": "The CVSS score of 8.7 indicates high severity, and the EPSS score of less than 1% suggests that, despite high impact, the likelihood of real\u2011world exploitation is currently very low. The vulnerability is not listed in the CISA KEV catalog at this time. Nevertheless, because the flaw permits remote exploitation via a known HTTP endpoint, any exposed infrastructure could be compromised if an attacker gains access to the router\u2019s management interface."}}}}, "created": "2026-03-10T14:09:56.568489+00:00", "updated": "2026-04-16T10:30:16.166919+00:00", "vendors": ["tenda", "tenda$PRODUCT$fh1202"]}