CVE-2026-76653

UNKNOWN 0.0

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

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-126
Vendor	tp-link systems inc.
Product	tl-mr6400 v8
Published	Sep 10, 2026
Last Updated	Sep 10, 2026

Stay Ahead of the Next One

Get instant alerts for tp-link systems inc. tl-mr6400 v8

Be the first to know when new unknown vulnerabilities affecting tp-link systems inc. tl-mr6400 v8 are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

Affected Versions

TP-Link Systems Inc. / TL-MR6400 v8

0 < 1.5.0 0.9.1 v0001.0 Build 260610 Rel.67978n

TP-Link Systems Inc. / Archer MR600

v3 < MR600(EU)_V3_1.4.0 Build 260827 v2 < MR600(EU)_V2_1.12.0 Build 2600826

References

NVD ↗ CVE.org ↗ EPSS Data ↗

tp-link.com: https://www.tp-link.com/en/support/download/tl-mr6400/v8/#Firmware tp-link.com: https://www.tp-link.com/en/support/download/archer-mr600/v5/#Firmware tp-link.com: https://www.tp-link.com/us/support/faq/5292/

Credits

Jincheng Wang (@winmt) from Nanjing University of Posts and Telecommunications