CVE-2025-5437 Multilaser Sirius RE016 Password Change cstecgi.cgi improper authentication
Remote attackers can bypass authentication in the password change handler to gain unauthorized access to the Multilaser Sirius RE016 router.
- 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-2025-5437?
CVE-2025-5437 is a medium-severity authentication bypass vulnerability in Multilaser Sirius RE016, published on 2 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 critical has been found in Multilaser Sirius RE016 MLT1.0. Affected is an unknown function of the file /cgi-bin/cstecgi.cgi of the component Password Change Handler. 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-2025-5437?
How do I fix CVE-2025-5437?
No fix has been published for CVE-2025-5437 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-2025-5437 being exploited?
There is no known exploitation of CVE-2025-5437 in the wild and no public exploit code.
Sources
Also known as GHSA-c2r2-9576-9q36.