HIGH · 8.2

CVE-2025-1675

The function dns_copy_qname in dns_pack.c performs performs a memcpy operation with an untrusted field and does not check if the source buffer is large enough to contain the copied data.

Vulnerability Description

The function dns_copy_qname in dns_pack.c performs performs a memcpy operation with an untrusted field and does not check if the source buffer is large enough to contain the copied data.

CVSS Score

8.2

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
ZephyrprojectZephyr<= 4.0.0

Related Weaknesses (CWE)

References

FAQ

What is CVE-2025-1675?

CVE-2025-1675 is a vulnerability with a CVSS score of 8.2 (HIGH). The function dns_copy_qname in dns_pack.c performs performs a memcpy operation with an untrusted field and does not check if the source buffer is large enough to contain the copied data.

How severe is CVE-2025-1675?

CVE-2025-1675 has been rated HIGH with a CVSS base score of 8.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-1675?

Check the references section above for vendor advisories and patch information. Affected products include: Zephyrproject Zephyr.