CVE-2026-0834

Summary

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

Affected Software

VendorProductVersion RangeStatus
TP-Link Systems Inc.Archer C20 v6.0, Archer AX53 v1.00 < V6_251031affected
TP-Link Systems Inc.Archer C20 v6.0, Archer AX53 v1.00 < V1_251215affected
TP-Link Systems Inc.Archer C20 V50 < US_V5_260419affected
TP-Link Systems Inc.Archer C20 V50 < EU_V5_260317affected
TP Link Systems Inc.TL-WR841N v130 < 0.9.1 Build 20231120 Rel.62366affected

Weaknesses

  • CWE-290: CWE-290 Authentication Bypass by Spoofing

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: poc
    • Automatable: no
    • Technical Impact: total

References