4.8
MEDIUM CVSS 3.1
CVE-2026-40210
Out-of-bounds read in SetMacAddrAction
Description

An out-of-bounds read might happen when SetMacAddrAction is used, potentially resulting in uninitialized memory being sent over the network or a crash.

INFO

Published Date :

June 25, 2026, 12:23 p.m.

Last Modified :

June 25, 2026, 12:23 p.m.

Remotely Exploit :

Yes !

Source :

OX
Affected Products

The following products are affected by CVE-2026-40210 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.

ID Vendor Product Action
1 Powerdns dnsdist
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM 8ce71d90-2354-404b-a86e-bec2cc4e6981
CVSS 3.1 MEDIUM [email protected]
Solution
Fix out-of-bounds read by validating SetMacAddrAction input.
  • Validate input for SetMacAddrAction.
  • Prevent out-of-bounds reads.
  • Avoid sending uninitialized memory.

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-2026-40210 vulnerability anywhere in the article.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.