{"affected":[{"defaultStatus":"unaffected","product":"Archer BE805 v1","source":"CNA: TPLink","vendor":"TP-Link Systems Inc.","versions":[{"lessThan":"V1.6_1.5.1 Build 261102","status":"affected","version":"0","versionType":"custom"},{"lessThan":"V1.20_1.5.1 Build 261102","status":"affected","version":"0","versionType":"custom"}]}],"cveId":"CVE-2026-109683","cwes":["CWE-93"],"description":"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.","epss":{"date":"2026-11-12","percentile":0.24521,"score":0.00313},"exploits":[],"kev":null,"metrics":[{"score":5.3,"severity":"medium","source":"CNA: TPLink","vector":"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","version":"4.0"},{"score":5.3,"severity":"medium","source":"NVD: f23511db-6c3e-4e32-a477-6aa17d310630","vector":"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/E:X/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"}],"modifiedAt":1794509962479,"publishedAt":1793993200010,"references":[{"source":"CNA: TPLink","tags":["patch"],"url":"https://www.tp-link.com/us/support/download/archer-be805/#Firmware"},{"source":"CNA: TPLink","tags":["patch"],"url":"https://www.tp-link.com/en/support/download/archer-be805/v1.20/#Firmware"},{"source":"CNA: TPLink","tags":["vendor-advisory"],"url":"https://www.tp-link.com/us/support/faq/5389/"},{"source":"f23511db-6c3e-4e32-a477-6aa17d310630","tags":[],"url":"https://www.tp-link.com/en/support/download/archer-be805/v1.20/#Firmware"},{"source":"f23511db-6c3e-4e32-a477-6aa17d310630","tags":[],"url":"https://www.tp-link.com/us/support/download/archer-be805/#Firmware"},{"source":"f23511db-6c3e-4e32-a477-6aa17d310630","tags":[],"url":"https://www.tp-link.com/us/support/faq/5389/"}],"remediation":[{"kind":"fix","source":"CNA: TPLink","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://www.tp-link.com/us/support/download/archer-be805/#Firmware"},{"kind":"fix","source":"CNA: TPLink","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://www.tp-link.com/en/support/download/archer-be805/v1.20/#Firmware"}],"revision":"a636b0daeba8276f6fc6a6cd22071c0456e850eca2e1280c9a0c1e1069192daa","sources":[{"modifiedAt":1794509962479,"name":"CNA: TPLink","retrievedAt":1794510508022,"url":"https://www.cve.org/CVERecord?id=CVE-2026-109683"},{"modifiedAt":1793999729947,"name":"NVD","retrievedAt":1794011237372,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-109683"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1794510529117,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-109683"}],"ssvc":{"assessedAt":1793995628142,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"UPnP Newline Injection Vulnerability in TP-Link Archer BE805","updatedAt":1794510529117}