CVE-2026-36605

Medium

Description

Mercusys AC12G (EU) V1 router with firmware AC12G(EU)_V1_200909 is vulnerable to a HTTP denial of service via a low number of crafted incomplete HTTP requests, causing a persistent crash that requires physical power cycling to recover.

SeverityMedium
CVSS6.5
Exploit probability—
ProductAC12G (EU) V1 router
PublishedJun 3, 2026
First seenJun 3, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
Mercusys AC12G (EU) V1 routerAC12G(EU)_V1_200909—

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