{"id":"CVE-2026-109683","title":"UPnP Newline Injection Vulnerability in TP-Link Archer BE805","summary":"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…","severity":"medium","cvss":5.3,"cvssVector":"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","cvssSource":"cna","cwe":["CWE-93"],"vendor":"TP-Link Systems Inc.","product":"Archer BE805 v1","affected":["archer_be805_v1 < V1.6_1.5.1 Build 261102","archer_be805_v1 < V1.20_1.5.1 Build 261102"],"published":"2026-11-06","updated":"2026-11-06","sourceUpdated":"2026-11-06T19:26:40.010Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-109683","references":[{"url":"https://www.tp-link.com/us/support/download/archer-be805/#Firmware"},{"url":"https://www.tp-link.com/en/support/download/archer-be805/v1.20/#Firmware"},{"url":"https://www.tp-link.com/us/support/faq/5389/"}],"tags":["cve.org"],"ingestedAt":"2026-11-06T20:03:04.276Z","epss":0.00313,"epssPercentile":0.2433,"slug":"CVE-2026-109683","body":"## Overview\n\nA 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.\n\n## Affected\n\n- `archer_be805_v1 < V1.6_1.5.1 Build 261102`\n- `archer_be805_v1 < V1.20_1.5.1 Build 261102`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}