Denial-of-Service Issue in Zephyr DNS Implementation
CVE-2025-2962

8.2HIGH

Key Information:

Status
Vendor
CVE Published:
24 June 2025

What is CVE-2025-2962?

A denial-of-service vulnerability exists in the DNS implementation of Zephyr RTOS that could potentially lead to an infinite loop, rendering the system unresponsive. This issue can disrupt network communications and service availability, emphasizing the need for timely patching and mitigation strategies.

Affected Version(s)

Zephyr * <= 4.1.0

Zephyr * <= 3.7.1

References

CVSS V3.1

Score:
8.2
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2025-2962 : Denial-of-Service Issue in Zephyr DNS Implementation