CVE-2026-7097

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The exploit has been made available to the public and could be used for attacks."}, {"lang": "es", "value": "Se ha identificado una debilidad en Tenda F456 1.0.0.5. Este problema afecta a la funci\u00f3n fromwebExcptypemanFilter del archivo /goform/webExcptypemanFilter del componente httpd. Esta manipulaci\u00f3n del argumento page causa desbordamiento de b\u00fafer. El ataque puede iniciarse de forma remota. El exploit se ha hecho p\u00fablico y podr\u00eda usarse para ataques."}], "id": "CVE-2026-7097", "lastModified": "2026-10-26T21:10:00.170", "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-2026-7097", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-04-29T13:48:11.570111Z", "version": "2.0.3"}}]}, "published": "2026-04-27T08:16:02.697", "references": [{"source": "cna@vuldb.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/Litengzheng/vuldb_new/blob/main/F456/vul_135/README.md"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/submit/798470"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/vuln/359672"}, {"source": "cna@vuldb.com", "tags": ["Permissions Required", "VDB Entry"], "url": "https://vuldb.com/vuln/359672/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": "2026-04-28T19:49:31.584842+00:00", "value": {"mitigation_remediation": ["Upgrade the router firmware to a version in which the buffer\u2011overflow bug in the httpd webExcptypemanFilter function has been repaired.", "If an update is not immediately available, block or isolate the web management interface using a firewall or router\u2011side ACL so that only trusted local hosts can access it.", "Continuously monitor network traffic and device logs for abnormal requests to /goform/webExcptypemanFilter and investigate any suspicious activity."], "summary": {"action": "Apply Firmware Update", "impact": "Remote Code Execution"}, "threat_synthesis": {"affected_systems": "The vulnerability affects the Tenda F456 model running firmware version 1.0.0.5. No other product versions are listed as impacted. The issue resides in the device\u2019s web server, meaning any system exposing this interface could be targeted.", "description_and_impact": "A buffer overflow exists in the fromwebExcptypemanFilter function of the httpd component on the Tenda F456 router. Manipulation of the page argument in the /goform/webExcptypemanFilter endpoint can overflow the buffer, allowing an attacker to execute arbitrary code. This type of vulnerability is classified as a memory corruption flaw (CWE\u2011119/120) and, when successfully exploited, can lead to full compromise of the device, including data exfiltration, denial of service, or further network intrusion.", "risk_and_exploitability": "The CVSS score of 8.7 indicates a high severity, while the EPSS score of less than 1\u202f% shows a low probability of exploitation in the wild. The exploit is publicly available, yet the device is not listed in the CISA KEV catalog. Based on the description, it is inferred that an attacker can remotely trigger the flaw by sending a crafted HTTP request to the /goform/webExcptypemanFilter endpoint when the web interface is reachable."}}}}, "created": "2026-04-27T18:41:59.084977+00:00", "updated": "2026-04-28T20:00:19.875360+00:00", "vendors": ["tenda", "tenda$PRODUCT$f456"]}