5.3
MEDIUM CVSS 4.0
CVE-2026-76653
Missing Authentication in VPN Configuration Management in TP-Link TL-MR6400 and Archer MR600
Description

A missing authentication vulnerability in the VPN configuration management has been identified in Archer MR600 (v2, v3 & v5) and TL-MR6400 v8 due to improper access control; a remote unauthenticated attacker may be able to access and modify VPN configuration information without valid credentials. Successful exploitation may allow a remote unauthenticated attacker to disclose and modify VPN configuration information.

INFO

Published Date :

Sept. 10, 2026, 8:12 p.m.

Last Modified :

Sept. 10, 2026, 8:12 p.m.

Remotely Exploit :

No

Source :

TPLink
Affected Products

The following products are affected by CVE-2026-76653 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Tp-link archer_mr600
2 Tp-link tl-mr6400
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 4.0 MEDIUM f23511db-6c3e-4e32-a477-6aa17d310630
Solution
Update VPN firmware to address improper access control and authentication bypass.
  • Update the VPN firmware to the latest version.
  • Apply access control measures.
  • Configure VPN settings securely.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-76653 vulnerability anywhere in the article.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.