CVE-2025-1673

HIGH

Published Feb 25, 2025 Modified Feb 28, 2025 CWE-125

Description

A malicious or malformed DNS packet without a payload can cause an out-of-bounds read, resulting in a crash (denial of service) or an incorrect computation.

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CVSS v3.1 Score

8.2

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Weakness Type (CWE)

CWE-125 Out-of-bounds Read

Affected Products

Vendor	Product	Versions
zephyrproject	zephyr	< 4.0

References

Advisories & Patches

https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-jjhx-rrh4-j8mx

Frequently Asked Questions

What is CVE-2025-1673? +

A malicious or malformed DNS packet without a payload can cause an out-of-bounds read, resulting in a crash (denial of service) or an incorrect computation. It has a CVSS v3.1 base score of 8.2 (HIGH).

How severe is CVE-2025-1673? +

CVE-2025-1673 has a CVSS v3.1 score of 8.2 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-1673? +

CVE-2025-1673 affects products from zephyrproject, specifically: zephyr. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-1673? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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