{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2025-50645", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2026-04-22T15:25:50.185Z", "dateReserved": "2025-06-16T00:00:00.000Z", "datePublished": "2026-04-08T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-04-22T15:25:50.185Z"}, "descriptions": [{"lang": "en", "value": "A vulnerability has been discovered in D-Link DI-8003 16.07.26A1, which can lead to a buffer overflow when the s parameter in the pppoe_list_opt.asp endpoint is manipulated. By sending a crafted request with an excessively large value for the s parameter, an attacker can trigger a buffer overflow condition."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://www.dlink.com/en/security-bulletin/"}, {"url": "https://github.com/xiaotea/iot-vulnerability-collection/blob/main/README.md"}, {"url": "https://supportannouncement.us.dlink.com/security/publication.aspx?name=SAP10505"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-120", "lang": "en", "description": "CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-04-10T13:12:28.894430Z", "id": "CVE-2025-50645", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-04-10T15:42:17.059Z"}}]}, "dataVersion": "5.2"}

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{"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 vulnerability has been discovered in D-Link DI-8003 16.07.26A1, which can lead to a buffer overflow when the s parameter in the pppoe_list_opt.asp endpoint is manipulated. By sending a crafted request with an excessively large value for the s parameter, an attacker can trigger a buffer overflow condition."}], "id": "CVE-2025-50645", "lastModified": "2026-04-22T16:16:48.970", "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"}]}, "published": "2026-04-08T19:24:15.227", "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": 80.0, "confidence_source": "inferred", "scores": [{"score": 80.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "n/a", "source": "cna", "vendor": "n/a"}, "product": "di-8003", "vendor": "dlink"}], "analysis": {"en": {"generated_at": "2026-04-13T16:06:47.822176+00:00", "value": {"mitigation_remediation": ["Check D\u2011Link\u2019s security bulletin for an updated firmware that addresses the buffer overflow and apply the patch immediately.", "If no patched firmware is available, restrict external network access to the router by blocking or disabling its public HTTP services or placing the device behind a firewall.", "Monitor the router for anomalous requests, crashes, or restarts that may indicate an attempted exploitation."], "summary": {"action": "Patch Immediately", "impact": "Remote Code Execution"}, "threat_synthesis": {"affected_systems": "The vulnerability affects the D\u2011Link DI\u20118003 router running firmware version 16.07.26a1. No other firmware releases are listed as vulnerable, so devices with later firmware may not be impacted.", "description_and_impact": "A buffer overflow condition is present in the D\u2011Link DI\u20118003 router when the \"s\" parameter of the pppoe_list_opt.asp endpoint is supplied with an excessively large value. The firmware fails to limit the size of this input, allowing a crafted HTTP request to overwrite memory and potentially crash the device or inject malicious code. This class of weakness is identified as CWE\u2011120, which indicates unsafe handling of buffer data.", "risk_and_exploitability": "The CVSS score of 7.5 signals a high severity risk. The EPSS score of less than 1 percent suggests that exploitation is not widely observed, and the vulnerability is not in the CISA KEV catalog. Attackers can trigger the overflow by sending a malformed request to the router\u2019s exposed HTTP interface, which is reachable from external networks unless the device is isolated or access is restricted."}}}}, "created": "2026-04-08T20:13:03.199400+00:00", "title": "Buffer Overflow in D\u2011Link DI\u20118003 PPPoE Endpoint", "updated": "2026-04-14T16:40:38.814480+00:00", "vendors": ["dlink", "dlink$PRODUCT$di-8003"]}