What’s Vulnerable › Vulnerabilities

CVE-2026-3631: Buffer Over-read DoS Vulnerability in COMMGR2

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-03-09 · updated 2026-06-17
• Weakness: CWE-125

Description

Delta Electronics COMMGR2 has Buffer Over-read DoS vulnerability.

Affected products

• DeltaWW COMMGR2: before 2.11.1 — fixed in 2.11.1

How to fix

Upgrade to a fixed version: DeltaWW COMMGR2 2.11.1. Check the vendor advisory for mitigations.

References

• https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2026-00005_COMMGR%202%20Multiple%20Vulnerabilities%20(CVE-2026-3630,%20CVE-2026-3631).pdf

Get alerted when CVE-2026-3631 or the next vulnerability affects your stack