CVE-2025-7574 LB-LINK BL-WR9000 Web Interface lighttpd.cgi restore improper authentication
Remote attackers can bypass authentication to access reboot and restore functions on LB-LINK routers, potentially compromising device integrity.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-7574?
CVE-2025-7574 is a critical authentication bypass vulnerability in LB-LINK BL-AC1900, published on 14 Jul 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability, which was classified as critical, was found in LB-LINK BL-AC1900, BL-AC2100_AZ3, BL-AC3600, BL-AX1800, BL-AX5400P and BL-WR9000 up to 20250702. Affected is the function reboot/restore of the file /cgi-bin/lighttpd.cgi of the component Web Interface. The manipulation leads to improper authentication. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Weakness: CWE-287
Which versions are affected by CVE-2025-7574?
How do I fix CVE-2025-7574?
No fix has been published for CVE-2025-7574 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2025-7574 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-7574 exists.
Sources
Also known as GHSA-jw6q-rx83-mg5v.