CVE-2025-5876 Lucky LM-520-SC/LM-520-FSC/LM-520-FSC-SAM missing authentication
Remote attackers can bypass authentication on Lucky LM-520 devices due to missing authorization checks, potentially gaining unauthorized access.
- 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-2025-5876?
CVE-2025-5876 is a medium-severity missing authorization vulnerability in Lucky LM-520-FSC, published on 9 Jun 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability classified as problematic was found in Lucky LM-520-SC, LM-520-FSC and LM-520-FSC-SAM up to 20250321. Affected by this vulnerability is an unknown functionality. The manipulation leads to missing authentication. The attack can be launched 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-2025-5876?
How do I fix CVE-2025-5876?
No fix has been published for CVE-2025-5876 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2025-5876 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-5876 exists.
Sources
Also known as GHSA-45jv-wv9v-qqfr.