CVE-2026-3631
Buffer Over-read DoS Vulnerability in COMMGR2
Description
Delta Electronics COMMGR2 has Buffer Over-read DoS vulnerability.
INFO
Published Date :
March 9, 2026, 4:15 a.m.
Last Modified :
March 9, 2026, 4:15 a.m.
Remotely Exploit :
Yes !
Source :
759f5e80-c8e1-4224-bead-956d7b33c98b
Affected Products
The following products are affected by CVE-2026-3631
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 759f5e80-c8e1-4224-bead-956d7b33c98b |
Solution
- Update Delta Electronics COMMGR2 software.
- Apply vendor-provided patches.
- Apply mitigations for buffer over-reads.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-3631.
| URL | Resource |
|---|---|
| https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2026-00005_COMMGR%202%20Multiple%20Vulnerabilities%20(CVE-2026-3630,%20CVE-2026-3631).pdf |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-3631 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-3631
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-3631 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-3631 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by 759f5e80-c8e1-4224-bead-956d7b33c98b
Mar. 09, 2026
Action Type Old Value New Value Added Description Delta Electronics COMMGR2 has Buffer Over-read DoS vulnerability. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-125 Added Reference https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2026-00005_COMMGR%202%20Multiple%20Vulnerabilities%20(CVE-2026-3630,%20CVE-2026-3631).pdf