CVE-2025-12266 Zytec Dalian Zhuoyun Technology Central Authentication Service widget _empty code injection
Remote attackers can execute arbitrary code via the _empty function in the widget module of Zytec Central Authentication Service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-12266?
CVE-2025-12266 is a medium-severity code injection vulnerability in Zytec Dalian Zhuoyun Technology Central Authentication Service, published on 27 Oct 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was detected in Zytec Dalian Zhuoyun Technology Central Authentication Service up to 20251009. This vulnerability affects the function _empty of the file /index.php/auth/widget. Performing manipulation of the argument get.layer/get.widget/get.action results in code injection. The attack is possible to be carried out remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2025-12266?
How do I fix CVE-2025-12266?
No fix has been published for CVE-2025-12266 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2025-12266 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-12266 exists.
Sources
Also known as GHSA-mhv2-m4qh-c3x9.