CVE-2026-0834Logic Vulnerability on TP-Link Archer C20, Archer AX53 and TL-WR841N v13
Updated under an hour ago ()
Does this affect you?
It affects TP-Link Systems Inc. Archer C20 v6.0, Archer AX53 v1.0 and 4 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Free account, 1 product
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
- 7.2 HIGH (v4.0, CNA)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
- Weakness (CWE)
- CWE-290
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- TPLink
- NVD analysis
- Modified
- Record last updated
- Apr 28, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
TP-Link Systems Inc. Archer C20 v6.0, Archer AX53 v1.0 tp_link_systems:archer_c20_v6.0_archer_ax53_v1.0 (from the name) | before V6_251031; before V1_251215 | CNA record |
TP-Link Systems Inc. Archer C20 V5 tp_link_systems:archer_c20_v5 (from the name) | before US_V5_260419; before EU_V5_260317 | CNA record |
TP Link Systems Inc. TL-WR841N v13 tp_link_systems:tl_wr841n_v13 (from the name) | before 0.9.1 Build 20231120 Rel.62366 | CNA record |
tp-link archer_ax53_firmware tp-link:archer_ax53_firmware | 1.0 | NVD |
tp-link archer_c20_firmware tp-link:archer_c20_firmware | 6.0 | NVD |
References
- https://www.tp-link.com/en/support/download/archer-c20/v6/#Firmwarepatch, product
- https://www.tp-link.com/en/support/download/archer-ax53/v1/#Firmwarepatch, product
- https://mattg.systems/posts/cve-2026-0834/permissions-required
- https://www.tp-link.com/us/support/faq/4905/vendor-advisory
- https://www.tp-link.com/us/support/download/archer-c20/v5/#Firmwarepatch
- https://www.tp-link.com/en/support/download/archer-c20/v5/#Firmwarepatch
- https://www.tp-link.com/us/support/download/tl-wr841n/v13/#Firmwarepatch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.