Description
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
CVSS breakdown
CVSS 4.0
Attack Vector
Adjacent
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Confidentiality (Vulnerable System)
Low
Integrity (Vulnerable System)
High
Availability (Vulnerable System)
High
Confidentiality (Subsequent System)
None
Integrity (Subsequent System)
None
Availability (Subsequent System)
None
Affected products
- TP-Link Systems Inc. / Archer C20 v50 – US_V5_260419
- TP-Link Systems Inc. / Archer C20 v50 – EU_V5_260317
- TP-Link Systems Inc. / Archer C20 v6.0, Archer AX53 v1.00 – V6_251031
- TP-Link Systems Inc. / Archer C20 v6.0, Archer AX53 v1.00 – V1_251215
- TP-Link Systems Inc. / TL-WR841N v130 – 0.9.1 Build 20231120 Rel.62366
References
- MISChttps://www.tp-link.com/en/support/download/archer-c20/v6/#Firmware
- MISChttps://www.tp-link.com/en/support/download/archer-ax53/v1/#Firmware
- MISChttps://mattg.systems/posts/cve-2026-0834/
- MISChttps://www.tp-link.com/us/support/faq/4905/
- MISChttps://www.tp-link.com/us/support/download/archer-c20/v5/#Firmware
- MISChttps://www.tp-link.com/en/support/download/archer-c20/v5/#Firmware
- MISChttps://www.tp-link.com/us/support/download/tl-wr841n/v13/#Firmware