8.8

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
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Tp-link ≫ Archer Ax53 Firmware Version 1.0
   Tp-link ≫ Archer Ax53 Version -
Tp-link ≫ Archer C20 Firmware Version 6.0
   Tp-link ≫ Archer C20 Version -
VulnDex Vulnerability Enrichment
Diese Information steht angemeldeten Benutzern zur Verfügung. Login Login
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.42% 0.354
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 8.8 2.8 5.9
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
f23511db-6c3e-4e32-a477-6aa17d310630 7.2 0 0
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/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
CWE-290 Authentication Bypass by Spoofing

This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.

https://www.tp-link.com/en/support/download/archer-c20/v6/#Firmware
Product
https://www.tp-link.com/en/support/download/archer-ax53/v1/#Firmware
Product
https://www.tp-link.com/us/support/faq/4905/
https://mattg.systems/posts/cve-2026-0834/
Permissions Required
https://www.tp-link.com/en/support/download/archer-c20/v5/#Firmware
https://www.tp-link.com/us/support/download/archer-c20/v5/#Firmware
https://www.tp-link.com/us/support/download/tl-wr841n/v13/#Firmware