HTTP Denial of Service Vulnerability in Mercusys AC12G Router
CVE-2026-36605

6.5MEDIUM

Key Information:

Vendor

Mercusys

Status
AC12G Router
Vendor
CVE Published:
3 June 2026

What is CVE-2026-36605?

The Mercusys AC12G (EU) V1 router is susceptible to a denial of service attack due to improper handling of crafted incomplete HTTP requests. These requests can trigger a persistent crash of the device's firmware, necessitating a physical power cycle for recovery. Users of this router model should be aware of this vulnerability and take appropriate measures to safeguard their network infrastructures.

References

https://github.com/Tymbark7372/MERCUSYS-AC12G/blob/master...

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.