CVE-2026-40210
MEDIUMCVSS 4.8/10EPSS 0.34%
Last modified
CVE-2026-40210 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. An out-of-bounds read might happen when SetMacAddrAction is used, potentially resulting in uninitialized memory being sent over the network or a crash.. EPSS estimates a 0.34% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-40210?
An out-of-bounds read might happen when SetMacAddrAction is used, potentially resulting in uninitialized memory being sent over the network or a crash.
How severe is CVE-2026-40210?
CVE-2026-40210 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.
How do I fix CVE-2026-40210?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-4020The Gravity SMTP plugin for WordPress is vulnerable to Sensi…7.5
- CVE-2026-40200An issue was discovered in musl libc 0.7.10 through 1.2.6. S…8.1
- CVE-2026-40201@diplodoc/search-extension 1.0.0 through 3.x before 3.0.3 al…5.4
- CVE-2026-40208An attacker might be able to delay the processing of DoH3 qu…3.7
- CVE-2026-40209An attacker might be able to cause outgoing TCP connections …5.3
- CVE-2026-4021The Contest Gallery plugin for WordPress is vulnerable to an…8.1
- CVE-2026-40211An attacker can send crafted DNS over HTTP/3 queries, trigge…5.3
- CVE-2026-40212OpenStack Skyline before 5.0.1, 6.0.0, and 7.0.0 has a DOM-b…5.4
- CVE-2026-40213OpenStack Cyborg before 16.0.1 uses rule:allow (check_str='@…7.4
- CVE-2026-40214In OpenStack Cyborg before 16.0.1, the Accelerator Request (…6.3
- CVE-2026-40215A race condition in OpenVPN 2.6.0 through 2.6.19 and 2.7_alp…7.4
- CVE-2026-40217LiteLLM through 2026-04-08 allows remote attackers to execut…8.8
Are you affected by CVE-2026-40210?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST