Critical severity · published Apr 16, 2025
CVE-2025-3495
COMMGR - Insufficient Randomization Authentication Bypass
9.8
CVSS
0.7%
EPSS
No
On KEV
Description
Delta Electronics COMMGR v1 and v2 uses insufficiently randomized values to generate session IDs (CWE-338). An attacker could easily brute force a session ID and load and execute arbitrary code.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 54% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CO
COMMGR · Delta Electronics
0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-3495
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-3495
filecenter.deltaww.com
https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2025-00005_COMMGR%20-%20Insufficient%20Randomization%20Authentication%20Bypass_v1.pdf
www.cisa.gov
https://www.cisa.gov/news-events/ics-advisories/icsa-25-105-07
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