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High · 7.7 CVE-2026-18167 EUVD-2026-70818GHSA-6hpq-jhqf-p8v4

Stack-based buffer overflow in TP-Link Archer AX55 v4

Published Sep 3, 2026 · Updated Sep 4, 2026 · Assigned by TPLink

Description

A
stack-based buffer overflow vulnerability exists in the EasyMesh module of
TP-Link Archer AX55 v4. When Mesh mode is enabled, a LAN attacker may submit
crafted input that causes the easymesh daemon to crash and may potentially
achieve remote code execution on the device.

Successful
exploitation may cause the EasyMesh daemon to crash and may potentially allow
remote code execution when Mesh mode is enabled. This
may result in high impact to the confidentiality, integrity, and availability
of the affected device.

Affected products

VendorProductAffectedFixed
TP-Link Systems Archer AX55 v4 < 1.2.1 Build 20260527 1.2.1 Build 20260527

References