CVE-2026-0620

L2TP over IPSec Encryption Failure on ArcherAXE75

State: Published
Severity: 6.0 Medium
Published: Feb 3, 2026
Updated: Feb 4, 2026
Reserved: Jan 5, 2026

Description

When configured as L2TP/IPSec VPN server, Archer AXE75 V1 may accept connections using L2TP without IPSec protection, even when IPSec is enabled. This allows VPN sessions without encryption, exposing data in transit and compromising confidentiality.

Scores

CVSS	Score	Vector	Source
4.0	6.0 Medium	CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N	TPLink

Weaknesses

CWE-693 Protection Mechanism Failure

Affected Products

Product	Versions
AXE75TP-Link Systems Inc.	before <1.5.1 Build 20251202Affected

References

https://www.tp-link.com/en/support/download/archer-axe75/v1/#Firmwarepatch
https://www.tp-link.com/us/support/download/archer-axe75/v1/#Firmwarepatch
https://www.tp-link.com/us/support/faq/4942/vendor-advisory

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