{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-9014","assignerOrgId":"f23511db-6c3e-4e32-a477-6aa17d310630","state":"PUBLISHED","assignerShortName":"TPLink","dateReserved":"2025-08-13T20:37:44.320Z","datePublished":"2026-01-15T17:36:06.139Z","dateUpdated":"2026-01-15T18:26:28.154Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"TL-WR841N v14","vendor":"TP-Link Systems Inc.","versions":[{"lessThan":"250908","status":"affected","version":"0","versionType":"custom"}]}],"credits":[{"lang":"en","type":"finder","value":"Justus W. Perlwitz, JWP Consulting"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"A Null Pointer Dereference vulnerability exists in the referer header check of the&nbsp;<span style=\"background-color: rgb(255, 255, 255);\">web portal of TP-Link TL-WR841N v14, caused by improper input validation.&nbsp; A remote, unauthenticated attacker can exploit this flaw and</span>&nbsp;cause Denial of Service on the web portal service.<p>This issue affects TL-WR841N v14: before 250908.</p>"}],"value":"A Null Pointer Dereference vulnerability exists in the referer header check of the web portal of TP-Link TL-WR841N v14, caused by improper input validation.  A remote, unauthenticated attacker can exploit this flaw and cause Denial of Service on the web portal service.This issue affects TL-WR841N v14: before 250908."}],"impacts":[{"capecId":"CAPEC-129","descriptions":[{"lang":"en","value":"CAPEC-129 Pointer Manipulation"}]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":6.3,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"LOW","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-20","description":"CWE-20 Improper Input Validation","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"f23511db-6c3e-4e32-a477-6aa17d310630","shortName":"TPLink","dateUpdated":"2026-01-15T17:36:06.139Z"},"references":[{"tags":["vendor-advisory"],"url":"https://www.tp-link.com/us/support/faq/4894/"},{"tags":["patch"],"url":"https://www.tp-link.com/jp/support/download/tl-wr841n/#Firmware"},{"tags":["patch"],"url":"https://www.tp-link.com/en/support/download/tl-wr841n/#Firmware"},{"tags":["patch"],"url":"https://www.tp-link.com/us/support/download/tl-wr841n/#Firmware"}],"source":{"discovery":"UNKNOWN"},"title":"Null Pointer Dereference Vulnerability on TL-WR841N","x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-01-15T18:03:31.351609Z","id":"CVE-2025-9014","options":[{"Exploitation":"none"},{"Automatable":"no"},{"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":"2026-01-15T18:26:28.154Z"}}]}}