Vulnerability details
CVE-2026-18167
TP-Link Systems Archer AX55 v4
Stack-based buffer overflow in TP-Link Archer AX55 v4
CVSS 4.0
7.7High
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.7High | 4.0 | CVEProject cvelistV5 (CNA) (TPLink) | CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| TP-Link Systems Inc. | Archer AX55 v4 | v < 1.2.1 Build 20260527 | CVEProject cvelistV5 (CNA) |
References and advisories
2
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Details
- Published
- 2026-09-04
- Last updated
- 2026-09-04
- State
- Published
- Assigner (CNA)
- TPLink
Exploit prediction (EPSS)
0.35%
Probability of exploitation in 30 days
29.5%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-121Stack-based buffer overflow