CVE-2025-7572 LB-LINK BL-WR9000 lighttpd.cgi bs_GetHostInfo information disclosure
Remote attackers can exploit a flaw in the lighttpd.cgi interface to disclose sensitive host information from LB-LINK routers.
- 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-2025-7572?
CVE-2025-7572 is a medium-severity 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 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. This vulnerability affects the function bs_GetHostInfo in the library libblinkapi.so of the file /cgi-bin/lighttpd.cgi. The manipulation leads to information disclosure. The attack can be initiated 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.
Which versions are affected by CVE-2025-7572?
How do I fix CVE-2025-7572?
No fix has been published for CVE-2025-7572 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-7572 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-7572 exists.
Sources
Also known as GHSA-h8c7-6g8w-2q9f.