{"id":"CVE-2025-12890","title":"Improper handling of  malformed Connection Request with the interval set to be 1 (which supposed to be illegal) and the chM 0x7CFFFFFFFF triggers a crash","summary":"Improper handling of  malformed Connection Request with the interval set to be 1 (which supposed to be illegal) and the chM 0x7CFFFFFFFF triggers a crash. The peripheral will not be connectable after it.","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-703"],"published":"2025-11-07","updated":"2026-10-07","sourceUpdated":"2026-10-07T21:10:00.200","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-12890","references":[{"url":"https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-8hrf-pfww-83v9","label":"vulnerabilities@zephyrproject.org"}],"tags":["nvd","exploit-available"],"epss":0.00187,"epssPercentile":0.07598,"exploits":{"github":1,"githubRepos":["https://github.com/gduma-phData/patch-CVE-2025-12890"],"checkedAt":"2026-10-07T21:54:50.414Z"},"exploitAvailable":true,"ingestedAt":"2026-10-07T21:54:14.980Z","slug":"CVE-2025-12890","body":"## Overview\n\nImproper handling of  malformed Connection Request with the interval set to be 1 (which supposed to be illegal) and the chM 0x7CFFFFFFFF triggers a crash. The peripheral will not be connectable after it.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[]}