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CVE-2026-18167

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

Published: Sep 3, 2026Updated: Sep 8, 2026 Sources: CVE List NVDCWE-121
N/ACVSS
NVD MITRE
EPSS Score
0.3%
Top 80.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
Not available

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.

No summary for this CVE yet.

Weaknesses

CWE-121

Affected Products

TP-Link Systems Inc.
commercial·CNaka tp-link
Archer AX55 v4On-prem
Networking Infrastructure / router-switch

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

https://www.tp-link.com/us/support/download/archer-ax55/v4/#Firmware
tp-link.com
https://www.tp-link.com/us/support/faq/5279/
tp-link.com

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