CVE-2026-18167

HIGH CVSS 4.0: 7.7 EPSS 0.27%
Updated Sep 08, 2026
TP-Link
Parameter Value
CVSS 7.7 (HIGH)
Type CWE-121 (Stack-based Buffer Overflow)
Vendor TP-Link
Public PoC No

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.

Attack Parameters

Attack Vector
Adjacent
Requires local network access
Attack Complexity
High
Difficult to exploit
Attack Requirements
Present
Additional conditions required
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v4.0

Vulnerable Products

tp-link systems inc.:archer ax55 v4