{"id":"CVE-2025-12890","state":"PUBLISHED","title":"Bluetooth: peripheral: Invalid handling of malformed connection request","description":"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.","publishedAt":"2025-11-07T18:40:56.266Z","updatedAt":"2026-10-13T19:55:57.611Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"zephyr"},"assigner":"zephyr","products":["zephyrproject-rtos Zephyr"],"affected":[{"vendor":"zephyrproject-rtos","product":"Zephyr","packageName":"Zephyr","defaultStatus":"unaffected","versions":[{"version":"*","status":"affected","lessThan":"4.2.0","versionType":"git"}],"repo":"https://github.com/zephyrproject-rtos/zephyr"}],"references":["https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-8hrf-pfww-83v9"],"weaknesses":["CWE-703"],"ingestedAt":"2026-10-29T20:08:31.050Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/12xxx/CVE-2025-12890.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-12890","state":"PUBLISHED","datePublished":"2025-11-07T18:40:56.266Z","dateUpdated":"2026-10-13T19:55:57.611Z","assignerShortName":"zephyr","assignerOrgId":"e2e69745-5e70-4e92-8431-deb5529a81ad","dateReserved":"2025-11-07T17:46:51.345Z"},"containers":{"cna":{"title":"Bluetooth: peripheral: Invalid handling of malformed connection request","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"zephyrproject-rtos","product":"Zephyr","packageName":"Zephyr","defaultStatus":"unaffected","versions":[{"version":"*","status":"affected","lessThan":"4.2.0","versionType":"git"}],"repo":"https://github.com/zephyrproject-rtos/zephyr"}],"references":[{"url":"https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-8hrf-pfww-83v9"}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-703","description":"Improper Check or Handling of Exceptional Conditions","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"zephyr","orgId":"e2e69745-5e70-4e92-8431-deb5529a81ad","dateUpdated":"2026-10-13T19:55:57.611Z"},"source":{"discovery":"Zewen Shang  [Asset Research Group](https://asset-group.github.io/)"},"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-11-10T20:18:46.863991Z","id":"CVE-2025-12890","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-11-10T20:19:47.939Z"}}]}}}