CVE-2026-76653

Missing Authentication in VPN Configuration Management in TP-Link TL-MR6400 and Archer MR600

State: Published
Severity: 5.3 Medium
Published: Sep 10, 2026
Updated: Sep 10, 2026
Reserved: Aug 19, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	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	TPLink

Weaknesses

CWE-126

Affected Products

Product	Versions
TL-MR6400 v8TP-Link Systems Inc.	before 1.5.0 0.9.1 v0001.0 Build 260610 Rel.67978nAffected
Archer MR600TP-Link Systems Inc.	v3 to before MR600(EU)_V3_1.4.0 Build 260827Affected v2 to before MR600(EU)_V2_1.12.0 Build 2600826Affected

References

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