CVE-2026-2856

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The attack may be launched remotely. The exploit has been made public and could be used."}, {"lang": "es", "value": "Una vulnerabilidad fue encontrada en D-Link DWR-M960 1.01.07. Afectada por esta vulnerabilidad es la funci\u00f3n sub_424AFC del archivo /boafrm/formFilter del componente Filter Configuration Endpoint. La manipulaci\u00f3n del argumento submit-url resulta en desbordamiento de b\u00fafer basado en pila. El ataque puede ser lanzado remotamente. El exploit ha sido hecho p\u00fablico y podr\u00eda ser usado."}], "id": "CVE-2026-2856", "lastModified": "2026-06-17T10:31:53.673", "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-2026-2856", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-02-24T14:45:07.483577Z", "version": "2.0.3"}}]}, "published": "2026-02-20T21:19:30.610", "references": [{"source": "cna@vuldb.com", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://github.com/LX-66-LX/cve-new/issues/13"}, {"source": "cna@vuldb.com", "tags": ["Permissions Required", "VDB Entry"], "url": "https://vuldb.com/?ctiid.347095"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/?id.347095"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/?submit.754474"}, {"source": "cna@vuldb.com", "tags": ["Product"], "url": "https://www.dlink.com/"}], "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": "semver", "value": "1.01.07"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "product": "dwr-m960", "vendor": "d-link"}], "analysis": {"en": {"generated_at": "2026-04-17T17:12:27.726186+00:00", "value": {"mitigation_remediation": ["Upgrade the router firmware to the latest version that addresses the sub_424AFC stack overflow.", "Block or restrict external access to the /boafrm/formFilter URL through the firewall or router configuration to prevent unauthenticated requests.", "Disable remote management or limit it to secure, authenticated connections and ensure the router is not exposed to the public internet."], "summary": {"action": "Immediate Patch", "impact": "Remote Code Execution"}, "threat_synthesis": {"affected_systems": "The affected device is the D\u2011Link DWR\u2011M960 wireless router running firmware version 1.01.07. No other versions or products are listed, so only this specific firmware build is known to be vulnerable.", "description_and_impact": "A stack-based buffer overflow exists in the formFilter endpoint of the D-Link DWR\u2011M960 firmware. Manipulating the submit\u2011url argument over HTTP can overflow the stack, allowing an attacker to execute arbitrary code. The vulnerability is related to buffer overflow weaknesses (CWE\u2011119 and CWE\u2011121) and can compromise confidentiality, integrity, and availability of the device.", "risk_and_exploitability": "The CVSS score of 8.7 indicates a high severity vulnerability that may allow remote code execution. The EPSS score of less than 1% suggests a low probability of exploitation in the wild, but the exploit has been made public, so the risk remains significant if the device is exposed to the internet. The vulnerability is not recorded in the CISA KEV catalog. The attack vector is likely remote, via a crafted HTTP request to the /boafrm/formFilter endpoint, and does not require authentication."}}}}, "created": "2026-02-23T14:35:13.231906+00:00", "updated": "2026-04-17T17:15:23.725201+00:00", "vendors": ["d-link", "d-link$PRODUCT$dwr-m960"]}