COMMGR Stack-based Buffer Overflow Vulnerability

published 2025-08-26 14 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-25775

cvss: 8.6; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 36%
public exploits: 0; none known

Delta Electronics COMMGR has Stack-based Buffer Overflow vulnerability.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-25-240-05 updated 2025-08-28 cvss 8.6

Delta Electronics COMMGR

Delta Electronics COMMGR <=v2.9.0
affected: mitigation “Delta Electronics recommends users to download and update to v2.10.0 or later.” downloadcenter.deltaww.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 14 mo ago (2025-08-26)

Exploit prediction

0.42% chance of exploitation in the next 30 days, higher than 36% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.6	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

Affected products

Delta Electronics COMMGR

Classification

Weakness

CWE-121 Stack-based Buffer Overflow

References

filecenter.deltaww.com /news/download/doc/Delta-PCSA-2025-00014_COMMGR%20Stack-based%20Buffer%20Overflow%20and%20Code%20Injection%20V

Sources

CVE List CVE-2025-53418
NVD CVE-2025-53418

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary