High severity · published Sep 3, 2026
CVE-2026-18167
Stack-based buffer overflow in TP-Link Archer AX55 v4
7.7
CVSS
0.4%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 29% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AA
Archer AX55 v4 · TP-Link Systems Inc.
before 1.2.1 Build 20260527 · source: vendor