Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-0834— Logic Vulnerability on TP-Link Archer C20, Archer AX53 and TL-WR841N v13

Quick assessment

Affected
TP-Link Systems Inc. Archer C20 v6.0, Archer AX53 v1.0
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

TP-LINK Archer C20是中国普联（TP-LINK）公司的一款路由器。 TP-LINK Archer C20 v6.0 V6_251031之前版本和TP-Link Archer AX53 v1.0 V1_251215之前版本存在安全漏洞，该漏洞源于TDDP模块存在逻辑漏洞，可能导致未经身份验证的相邻攻击者执行管理命令。

AI Predicted 7.4 Difficulty: Easy EPSS 0.43% · P36
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-0834

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Logic Vulnerability on TP-Link Archer C20, Archer AX53 and TL-WR841N v13
Source: CVE Program / CVE List V5
Vulnerability 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
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
使用欺骗进行的认证绕过
Source: CVE Program / CVE List V5
Vulnerability Title
TP-LINK Archer C20 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TP-LINK Archer C20是中国普联（TP-LINK）公司的一款路由器。 TP-LINK Archer C20 v6.0 V6_251031之前版本和TP-Link Archer AX53 v1.0 V1_251215之前版本存在安全漏洞，该漏洞源于TDDP模块存在逻辑漏洞，可能导致未经身份验证的相邻攻击者执行管理命令。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
TP-Link Systems Inc. Archer C20 v6.0, Archer AX53 v1.0 0 ~ V6_251031 -
TP-Link Systems Inc. Archer C20 V5 0 ~ US_V5_260419 -
TP Link Systems Inc. TL-WR841N v13 0 ~ 0.9.1 Build 20231120 Rel.62366 -

II. Public POCs for CVE-2026-0834

# POC Description Source Link Shenlong Link
1 Proof of Concept (PoC) for the TP-Link Device Debug Protocol (TDDP) Authentication Bypass (CVE-2026-0834) https://github.com/mattgsys/CVE-2026-0834 POC Details
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-0834

请登录查看更多情报信息。

Security Blog Posts for CVE-2026-0834 (2)

IV. Related Vulnerabilities

Same vendor: TP-Link Systems Inc.
Same weakness: CWE-290

V. Comments for CVE-2026-0834

No comments yet

Leave a comment