CVE-2025-50666

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:dlink:di-8003_firmware:16.07.26a1:*:*:*:*:*:*:*", "matchCriteriaId": "FA25536C-1B96-4611-BF35-A0AD24747929", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:dlink:di-8003:-:*:*:*:*:*:*:*", "matchCriteriaId": "E6644787-50D7-4190-A2E3-DD54F43AE38C", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A buffer overflow vulnerability exists in D-Link DI-8003 16.07.26A1 due to improper handling of multiple parameters in the /web_post.asp endpoint. An attacker can exploit this vulnerability by sending a crafted HTTP GET request in parameters such as name, en, user_id, log, and time."}, {"lang": "es", "value": "Una vulnerabilidad de desbordamiento de b\u00fafer existe en D-Link DI-8003 16.07.26A1 debido al manejo inadecuado de m\u00faltiples par\u00e1metros en el endpoint /web_post.asp. Un atacante puede explotar esta vulnerabilidad enviando una solicitud HTTP GET manipulada en par\u00e1metros como name, en, user_id, log y time."}], "id": "CVE-2025-50666", "lastModified": "2026-07-25T11:10:00.100", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-50666", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-04-10T15:38:29.287209Z", "version": "2.0.3"}}]}, "published": "2026-04-08T19:24:17.250", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://github.com/xiaotea/iot-vulnerability-collection/blob/main/README.md"}, {"source": "cve@mitre.org", "url": "https://supportannouncement.us.dlink.com/security/publication.aspx?name=SAP10505"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://www.dlink.com/en/security-bulletin/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-120"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "16.07.26A1"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "n/a", "source": "cna", "vendor": "n/a"}, "product": "di-8003", "vendor": "d-link"}], "analysis": {"en": {"generated_at": "2026-04-13T15:28:57.785335+00:00", "value": {"mitigation_remediation": ["Apply the latest firmware update from D\u2011Link that fixes the /web_post.asp overflow issue.", "If a firmware upgrade is not immediately available, restrict external access to the web interface using firewall rules or VPN\u2011only access.", "Disable or remove the web management interface if it is not required for operation.", "Monitor for suspicious HTTP traffic targeting /web_post.asp and block anomalous requests."], "summary": {"action": "Immediate Patch", "impact": "Remote Code Execution"}, "threat_synthesis": {"affected_systems": "Affected devices are D\u2011Link DI\u20118003 routers running firmware version 16.07.26A1. No other affected versions are documented, but prior firmware releases that include the same /web_post.asp code may also be vulnerable.", "description_and_impact": "A buffer overflow vulnerability exists in the D\u2011Link DI\u20118003 firmware version 16.07.26A1, caused by improper handling of multiple parameters in the /web_post.asp endpoint. An attacker can trigger the overflow by sending a crafted HTTP GET request containing malicious data in the name, en, user_id, log, and time parameters. The overflow could allow an unauthenticated attacker to execute arbitrary code on the device, compromising confidentiality, integrity, and availability. This weakness is a classic stack buffer overflow, identified as CWE\u2011120.", "risk_and_exploitability": "The CVSS score of 7.5 indicates high severity, while the EPSS score of less than 1\u202f% suggests a low likelihood of current exploitation. The vulnerability is not listed in the CISA KEV catalog. Likely, an attacker needs network access to the device\u2019s web interface and can exploit the flaw via HTTP GET requests to /web_post.asp, potentially leading to remote code execution or denial\u2011of\u2011service. The remote nature of the attack poses a significant threat to exposed devices."}}}}, "created": "2026-04-08T19:44:33.893870+00:00", "title": "Buffer Overflow in D\u2011Link DI\u20118003 web_post.asp Allows Remote Exploitation", "updated": "2026-04-14T16:40:43.170429+00:00", "vendors": ["d-link", "d-link$PRODUCT$di-8003"]}