Answer in brief
CVE-2026-109683 records a Medium severity (CVSS 5.3) vulnerability in UPnP Newline Injection Vulnerability in TP-Link Archer BE805. The current sources do not mark it as known exploited. The current feed maps TP-Link Systems Inc./Archer BE805 v1 (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 5.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps TP-Link Systems Inc./Archer BE805 v1 (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| TP-Link Systems Inc./Archer BE805 v1generic | >=0 <V1.6_1.5.1 Build 261102 || >=0 <V1.20_1.5.1 Build 261102 | V1.6_1.5.1 Build 261102, V1.20_1.5.1 Build 261102, V1.6_1.5.1, V1.20_1.5.1 |
Published upstream
Nov 6, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Nov 6, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Nov 6, 2026
A newline injection vulnerability exists in the UPnP service of Archer BE805 v1 such that an adjacent attacker can supply newline characters in a UPnP port-mapping description due to improper sanitization, resulting in possible injection of unintended content into UPnP port-mapping data. Successful exploitation may allow an unauthenticated attacker on the local network to modify runtime UPnP port-mapping information and create spoofed entries within the affected service. The issue is limited to the integrity of UPnP mapping data and does not demonstrate code execution or privilege escalation.
Quoted source text, attributed separately from HOL analysis.