HIGHCVE-2026-0834Published Modified CNA TPLink
CVE-2026-0834: Logic Vulnerability on TP-Link Archer C20, Archer AX53 and TL-WR841N v13
Logic vulnerability in TP-Link Archer C20 v5, 6.0, Archer AX53 v1.0 and TL-WR841N v13 (TDDP module) allows unauthenticated adjacent attackers to execute administrative commands including factory reset and device reboot without credentials. Attackers on the adjacent network can remotely trigger factory resets and reboots without credentials, causing configuration loss and interruption of device availability. This issue affects Archer C20 v6.0 < V6_251031, Archer C20 v5 <EU_V5_260317 or < US_V5_260419 Archer AX53 v1.0 < V1_251215 TL-WR841N v13 < 0.9.1 Build 20231120 Rel.62366
Metrics
- CVSS v4.0
- 7.2
- Severity
- HIGH
- Fixed in
- 0.9.1 Build 20231120 Rel.62366
- Affected Products
- 3
Fix available
0.9.1 Build 20231120 Rel.62366EU_V5_260317US_V5_260419V1_251215V6_251031
Affected packages
- TP-Link Systems Inc. / Archer C20 v6.0, Archer AX53 v1.0< V6_251031 (from 0) · < V1_251215 (from 0)
- TP-Link Systems Inc. / Archer C20 V5< US_V5_260419 (from 0) · < EU_V5_260317 (from 0)
- TP Link Systems Inc. / TL-WR841N v13< 0.9.1 Build 20231120 Rel.62366 (from 0)
CVSS Vector
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N