{"id":"CVE-2025-1675","title":"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.","summary":"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.","severity":"high","cvss":8.2,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","cwe":["CWE-125","CWE-125"],"vendor":"zephyrproject","product":"zephyr","affected":["zephyr <= 4.0.0"],"published":"2025-02-25","updated":"2026-10-13","sourceUpdated":"2026-10-13T20:17:00.750","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-1675","references":[{"url":"https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-2m84-5hfw-m8v4","label":"vulnerabilities@zephyrproject.org"}],"tags":["nvd"],"epss":0.00386,"epssPercentile":0.30768,"ingestedAt":"2026-10-13T20:53:44.531Z","slug":"CVE-2025-1675","body":"## Overview\n\nThe 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.\n\n## Affected\n\n- `zephyr <= 4.0.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":45.1,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}