Home/CVE/The function dns_copy_qname in dns_pack.c performs performs a memcpy operation with an untrusted field and does not chec
CVE

CVE-2025-1675

The function dns_copy_qname in dns_pack.c performs performs a memcpy operation with an untrusted field and does not chec

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

HIGH · CVSS 8.2 EPSS 0.00398
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-125Out-of-bounds Read
CWE-125Out-of-bounds Read
▤

Affected Products & Versions

1
zephyrproject zephyr<= 4.0.0
▣

Scoring & Timeline

8.2
HIGH · CVSS v3.1 · vulnerabilities@zephyrproject.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD25 Feb 2025 · 08:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-2m84-5hfw-m8v4PatchVendor Advisory
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