CVE Catalog

CVE-2026-124585

CriticalCVSS 9.9
Published: Updated: Translated: NVD NIST

Summary

A vulnerability was found in Chengdu Feiyuxing Technology VW2100 and VEC10GP devices within the web administration interface. The add_expmac function in var/html/webserver mishandles the mac argument, resulting in OS command injection. The attack can be performed remotely and a public exploit is available.

Risk Assessment

A remote, unauthenticated attacker can execute arbitrary OS commands on the device, taking full control. Since the exploit is public, the likelihood of exploitation is high.

Recommendation

Immediately restrict access to the web interface (network segmentation, ACLs, VPN) and contact the vendor for a fix. Until a patch is available, consider disabling or isolating the devices.

Related vulnerabilities

Original NVD description (English source)

A vulnerability was found in Chengdu Feiyuxing Technology VW2100 and VEC10GP 1.0 B-MB3W202-210825-r11775. This issue affects the function add_expmac of the file var/html/webserver of the component Web Administration Interface. The manipulation of the argument mac results in os command injection. The attack may be performed from remote. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS