CVE-2025-9579 LB-LINK BL-X26 HTTP set_hidessid_cfg os command injection
Remote attackers can execute arbitrary OS commands via the HTTP set_hidessid_cfg handler in LB-LINK BL-X26 routers.
- 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-2025-9579?
CVE-2025-9579 is a medium-severity command injection vulnerability in LB-LINK BL-X26, published on 28 Aug 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A weakness has been identified in LB-LINK BL-X26 1.2.8. The impacted element is an unknown function of the file /goform/set_hidessid_cfg of the component HTTP Handler. This manipulation of the argument enable causes os command injection. The attack can be initiated remotely. The exploit has been made available to the public and could be exploited. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2025-9579?
It affects 1 product.
Products include B-Link Bl-X26 Firmware.
How do I fix CVE-2025-9579?
No fix has been published for CVE-2025-9579 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2025-9579 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-9579 exists.
Sources
Also known as GHSA-c876-j5vh-467r.