CVE-2025-3495

COMMGR - Insufficient Randomization Authentication Bypass

State: Published
Severity: 9.8 Critical
Published: Apr 16, 2025
Updated: Aug 19, 2025
Reserved: Apr 10, 2025

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.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	Deltaww

Weaknesses

CWE-338 Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

Affected Products

Product	Versions
COMMGRDelta Electronics	0Affected

References

https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2025-00005_COMMGR%20-%20Insufficient%20Randomization%20Authentication%20Bypass_v1.pdf
https://www.cisa.gov/news-events/ics-advisories/icsa-25-105-07

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