What is CVE-2026-3630?

CVE-2026-3630 is a critical-severity vulnerability in Deltaww Commgr2, classified under CWE-121 STACK-BASED BUFFER OVERFLOW. CVSS score: 9.8/10. Published 2026-03-09.

How severe is CVE-2026-3630?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Deltaww Commgr2

CVE-2026-3630

Delta Electronics COMMGR2 has Stack-based Buffer Overflow vulnerability.

EPSS: 0.000 (8.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Deltaww Commgr2 — versions 0

References

filecenter.deltaww.com/news/download/doc/Delta-PCSA-2026-00005_COMMGR 2 Multipl…

Frequently asked questions

What is CVE-2026-3630?: CVE-2026-3630 is a critical-severity vulnerability in Deltaww Commgr2, classified under CWE-121 STACK-BASED BUFFER OVERFLOW. CVSS score: 9.8/10. Published 2026-03-09.
How severe is CVE-2026-3630?: Critical severity. CVSS v3 base score is 9.8 out of 10.