Vulnerability in TP-Link Archer Ax53
CVE-2026-0834
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
EPSS: 0.004 (35.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Tp-link Archer_ax53
- Tp-link Archer_ax53_firmware — versions 1.0
- Tp-link Archer_c20
- Tp-link Archer_c20_firmware — versions 6.0
- Tp Link Systems Inc. Tl-wr841n V13 — versions 0
- Tp-link Systems Inc. Archer C20 V5 — versions 0
- Tp-link Systems Inc. Archer C20 V6.0, Ax53 V1.0 — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- f23511db-6c3e-4e32-a477-6aa17d310630 (Product, patch)
- f23511db-6c3e-4e32-a477-6aa17d310630 (Product, patch)
- f23511db-6c3e-4e32-a477-6aa17d310630 (Permissions Required)
- f23511db-6c3e-4e32-a477-6aa17d310630 (vendor-advisory)
- f23511db-6c3e-4e32-a477-6aa17d310630 (patch)
- f23511db-6c3e-4e32-a477-6aa17d310630 (patch)
- f23511db-6c3e-4e32-a477-6aa17d310630 (patch)
Frequently asked questions
- What is CVE-2026-0834?
- CVE-2026-0834 is a high-severity vulnerability in TP-Link Archer Ax53, classified under Authentication Bypass by Spoofing. CVSS score: 8.8/10. Published 2026-01-21.
- How severe is CVE-2026-0834?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2026-0834 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.