CVE-2026-7080

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The exploit has been disclosed publicly and may be used."}, {"lang": "es", "value": "Una vulnerabilidad de seguridad ha sido detectada en Tenda F456 1.0.0.5. Esto afecta la funci\u00f3n fromPPTPUserSetting del archivo /goform/PPTPUserSetting del componente httpd. Tal manipulaci\u00f3n del argumento delno conduce a desbordamiento de b\u00fafer. El ataque puede ser lanzado remotamente. El exploit ha sido divulgado p\u00fablicamente y puede ser usado."}], "id": "CVE-2026-7080", "lastModified": "2026-10-26T00:10:00.150", "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-2026-7080", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-04-27T13:22:03.632374Z", "version": "2.0.3"}}]}, "published": "2026-04-27T03:16:00.127", "references": [{"source": "cna@vuldb.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/Litengzheng/vuldb_new/blob/main/F456/vul_132/README.md"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/submit/798463"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/vuln/359655"}, {"source": "cna@vuldb.com", "tags": ["Permissions Required", "VDB Entry"], "url": "https://vuldb.com/vuln/359655/cti"}, {"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"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "1.0.0.5"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "F456", "source": "cna", "vendor": "Tenda"}, "product": "f456", "vendor": "tenda"}], "analysis": {"en": {"generated_at": "2026-04-28T04:52:39.257514+00:00", "value": {"mitigation_remediation": ["Update the router firmware to the latest Tenda F456 release that includes the buffer\u2011overflow fix.", "Limit or block access to the /goform/PPTPUserSetting endpoint by configuring host\u2011based firewall rules or ACLs so that only trusted management addresses can reach it.", "If PPTP VPN functionality is not required, disable the PPTP service or remove the feature from the device\u2019s web interface."], "summary": {"action": "Patch", "impact": "Remote Code Execution"}, "threat_synthesis": {"affected_systems": "The flaw affects Tenda F456 routers running firmware version 1.0.0.5. No other Tenda or vendor versions were identified as vulnerable in the available data.", "description_and_impact": "A buffer overflow occurs in the fromPPTPUserSetting function of the httpd component, triggered by manipulating the delno argument via the /goform/PPTPUserSetting interface. The overflow can corrupt memory, potentially allowing an attacker to execute arbitrary code on the device. The vulnerability is documented as exploitable remotely, meaning an attacker need only send a crafted request over the network to trigger the overflow and elevate their privileges to that of the device\u2019s firmware code.", "risk_and_exploitability": "The CVSS score of 8.7 classifies the issue as high severity, and while the EPSS score is below 1%, indicating a low probability of widespread exploitation at present, it is not zero and could be targeted by threat actors with interest in the compromised platform. The vulnerability is not listed in the CISA KEV catalog, but the remote nature of the attack vector and lack of mitigations could still pose significant risk if the device is exposed to untrusted networks."}}}}, "created": "2026-04-27T18:41:59.088034+00:00", "updated": "2026-04-28T05:00:14.744329+00:00", "vendors": ["tenda", "tenda$PRODUCT$f456"]}