CVE-2026-76653

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.

Scoring

Severity

MEDIUM

CVSS base score

5.3

CVSS vector

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

CWE

CWE-126

Published

2026-09-10

Last modified

2026-09-10

Affected products

• TP-Link Systems Inc. TL-MR6400 v8
• TP-Link Systems Inc. Archer MR600
• TP-Link Systems Inc. Archer MR600

Weakness type

• CWE-126

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