{"id":"CVE-2025-1673","title":"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.","summary":"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.","severity":"high","cvss":8.2,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","cwe":["CWE-125","CWE-125"],"vendor":"zephyrproject","product":"zephyr","affected":["zephyr <= 4.0"],"published":"2025-02-25","updated":"2026-10-13","sourceUpdated":"2026-10-13T20:17:00.500","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-1673","references":[{"url":"https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-jjhx-rrh4-j8mx","label":"vulnerabilities@zephyrproject.org"}],"tags":["nvd"],"epss":0.0035,"epssPercentile":0.26734,"ingestedAt":"2026-10-13T20:53:44.530Z","slug":"CVE-2025-1673","body":"## Overview\n\nA 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.\n\n## Affected\n\n- `zephyr <= 4.0`\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":[]}