Auth bypass in Multilaser Sirius Re016
CVE-2025-5437
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.005 (36.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.000
Affected products
- Multilaser Sirius Re016 — versions MLT1.0
Weakness classification (CWE)
References
- vuldb.com/ (vdb-entry)
- vuldb.com/ (signature, permissions-required)
- vuldb.com/ (third-party-advisory)
- github.com/DefaultCh40s/RE016/blob/main/re016.py (exploit)
Frequently asked questions
- What is CVE-2025-5437?
- CVE-2025-5437 is a medium-severity vulnerability in Multilaser Sirius Re016, classified under Improper Authentication. CVSS score: 5.3/10. Published 2025-06-02.
- How severe is CVE-2025-5437?
- Medium severity. CVSS v3 base score is 5.3 out of 10.