CVE-2026-36608
Last modified
CVE-2026-36608 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Mercusys AC12G (EU) V1 router with firmware AC12G(EU)_V1_200909 allows UPnP AddPortMapping to forward external ports to the router's own admin interface by accepting its own IP (192.168.1.1) or localhost (127.0.0.1) as InternalClient. An unauthenticated LAN attacker can expose the admin panel to the internet with a single SOAP request.. EPSS estimates a 0.18% chance of exploitation in the next 30 days.
Description
Mercusys AC12G (EU) V1 router with firmware AC12G(EU)_V1_200909 allows UPnP AddPortMapping to forward external ports to the router's own admin interface by accepting its own IP (192.168.1.1) or localhost (127.0.0.1) as InternalClient. An unauthenticated LAN attacker can expose the admin panel to the internet with a single SOAP request.
Metrics
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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Related CVEs from 2026
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- CVE-2026-36607Mercusys AC12G (EU) V1 router with firmware AC12G(EU)_V1_200…8.8
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- CVE-2026-36610Mercusys AC12G (EU) V1 with firmware AC12G(EU)_V1_200909 tra…5.9
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- CVE-2026-36612Mercusys AC12G (EU) V1 with firmware AC12G(EU)_V1_200909 ena…6.4
- CVE-2026-36613Mercusys AC12G (EU) V1 with firmware AC12G(EU)_V1_200909 ret…4.3
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Scan your code nowSource: NVD / NIST