ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2025-2962

A denial-of-service issue in the dns implemenation could cause an infinite loop.

Published Jun 24, 2025 · catalog updated Oct 13, 2026 · Zephyr

Check this week

CVE-2025-2962 is not in CISA KEV. FIRST estimates a 57.00% chance of exploitation in the next 30 days. Check whether you run Zephyr.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.2
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
57.00%
Remediation
Version ranges on file
Affected products
vendor zephyrproject-rtos Zephyr 4.0.0 <4.2.0

A denial-of-service issue in the dns implemenation could cause an infinite loop.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor zephyrproject-rtos Zephyr 4.0.0 <4.2.04.0.0 <4.2.0

How to fix CVE-2025-2962

  • Recommended remediation

    Affected version ranges suggest a fixed boundary. Verify against the vendor advisory for your release.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-2962 is not in CISA KEV. FIRST estimates a 57.00% chance of exploitation in the next 30 days. Check whether you run Zephyr.

Which versions are affected?

Compare what you have installed with zephyrproject-rtos Zephyr 4.0.0 <4.2.0 4.0.0 <4.2.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 57.00%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 24, 2025 · EUVD

    Detected

    A denial-of-service issue in the dns implemenation could cause an infinite loop.

  2. Oct 13, 2026 · EUVD

    Updated

    A denial-of-service issue in the dns implemenation could cause an infinite loop.

Sources

  • EUVDVulnerability recordEUVD-2025-19001

    A denial-of-service issue in the dns implemenation could cause an infinite loop.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 13, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.