CVE-2026-7034

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Performing a manipulation of the argument Go results in stack-based buffer overflow. The attack may be initiated remotely. The exploit has been made public and could be used."}, {"lang": "es", "value": "Una vulnerabilidad fue encontrada en Tenda FH1202 1.2.0.14(408). Afectada por este problema es la funci\u00f3n WrlExtraSet del archivo /goform/WrlExtraSet del componente httpd. Realizar una manipulaci\u00f3n del argumento Go resulta en desbordamiento de b\u00fafer basado en pila. El ataque puede ser iniciado remotamente. El exploit ha sido hecho p\u00fablico y podr\u00eda ser usado."}], "id": "CVE-2026-7034", "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-2026-7034", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-04-27T12:47:36.432745Z", "version": "2.0.3"}}]}, "published": "2026-04-26T12:16:21.570", "references": [{"source": "cna@vuldb.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/Litengzheng/vuldb_new/blob/main/FH1202/vul_19/README.md"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/submit/798476"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/vuln/359614"}, {"source": "cna@vuldb.com", "tags": ["Permissions Required", "VDB Entry"], "url": "https://vuldb.com/vuln/359614/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-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": "2026-04-28T19:57:38.795693+00:00", "value": {"mitigation_remediation": ["Flash the router with the latest firmware version released by Tenda that includes a fix for the WrlExtraSet buffer overflow.", "Restrict access to the device\u2019s web management interface by limiting it to a trusted local subnet or disabling remote HTTP access until a patched firmware image is available.", "Configure the device\u2019s firewall or a network ACL to block HTTP requests to the /goform/WrlExtraSet endpoint, preventing exploitation attempts while a patch is pending."], "summary": {"action": "Immediate Patch", "impact": "Remote code execution"}, "threat_synthesis": {"affected_systems": "The vulnerability is identified for the Tenda FH1202 router running firmware 1.2.0.14(408). No other firmware versions or additional products are listed as affected in the available data.", "description_and_impact": "A firmware flaw in the Tenda FH1202 router, version 1.2.0.14(408), allows a malicious client to send a specially crafted HTTP request to the /goform/WrlExtraSet endpoint. The Go parameter passed to the WrlExtraSet function is not properly validated, causing a stack-based buffer overflow (CWE-119 and CWE-121). An attacker can trigger this bug remotely, potentially executing arbitrary code on the device and compromising its confidentiality, integrity, and availability.", "risk_and_exploitability": "The flaw carries a CVSS score of 8.7, indicating high severity. The EPSS score is less than 1%, suggesting a low current exploitation probability, and the vulnerability is not yet catalogued in the CISA KEV list. Nevertheless, a publicly available exploit demonstrates that an attacker can automate the overflow, which makes the risk significant for devices that expose the web management interface to the internet."}}}}, "created": "2026-04-27T18:41:59.095383+00:00", "updated": "2026-04-28T20:00:19.913392+00:00", "vendors": ["tenda", "tenda$PRODUCT$fh1202"]}