{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-109683","assignerOrgId":"f23511db-6c3e-4e32-a477-6aa17d310630","state":"PUBLISHED","assignerShortName":"TPLink","dateReserved":"2026-10-12T23:44:19.158Z","datePublished":"2026-11-06T19:26:40.010Z","dateUpdated":"2026-11-06T19:26:40.010Z"},"containers":{"cna":{"providerMetadata":{"orgId":"f23511db-6c3e-4e32-a477-6aa17d310630","shortName":"TPLink","dateUpdated":"2026-11-06T19:26:40.010Z"},"title":"UPnP Newline Injection Vulnerability in TP-Link Archer BE805","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-93","description":"CWE-93 Improper neutralization of CRLF sequences ('CRLF injection')","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-23","descriptions":[{"lang":"en","value":"CAPEC-23 File Content Injection"}]}],"affected":[{"vendor":"TP-Link Systems Inc.","product":"Archer BE805 v1","versions":[{"status":"affected","version":"0","lessThan":"V1.6_1.5.1 Build 261102","versionType":"custom"},{"status":"affected","version":"0","lessThan":"V1.20_1.5.1 Build 261102","versionType":"custom"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"A newline\ninjection vulnerability exists in the UPnP service of Archer BE805 v1 such that\nan adjacent attacker can supply newline characters in a UPnP port-mapping\ndescription due to improper sanitization, resulting in possible injection of unintended\ncontent into UPnP port-mapping data.\n\n\n\n\n\n\n\n\n\nSuccessful\nexploitation may allow an unauthenticated attacker on the local network to\nmodify runtime UPnP port-mapping information and create spoofed entries within\nthe affected service. The issue is limited to the integrity of UPnP mapping\ndata and does not demonstrate code execution or privilege escalation.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>A newline\ninjection vulnerability exists in the UPnP service of Archer BE805 v1 such that\nan adjacent attacker can supply newline characters in a UPnP port-mapping\ndescription due to improper sanitization, resulting in possible injection of unintended\ncontent into UPnP port-mapping data.</p><p>\n\n</p><p>Successful\nexploitation may allow an unauthenticated attacker on the local network to\nmodify runtime UPnP port-mapping information and create spoofed entries within\nthe affected service. The issue is limited to the integrity of UPnP mapping\ndata and does not demonstrate code execution or privilege escalation.</p>"}]}],"references":[{"url":"https://www.tp-link.com/us/support/download/archer-be805/#Firmware","tags":["patch"]},{"url":"https://www.tp-link.com/en/support/download/archer-be805/v1.20/#Firmware","tags":["patch"]},{"url":"https://www.tp-link.com/us/support/faq/5389/","tags":["vendor-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"ADJACENT","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":5.3,"vectorString":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N"}}],"credits":[{"lang":"en","value":"WATARU KOKUBO","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.5"}}}}