{"schema_version":1,"title":"Zephyr RTOS vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 4 vulnerabilities in Zephyr RTOS: 1 in the last 7 days and 4 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-17052, was published on 21 September 2026.","url":"https://junglewise.ai/threats/technologies/rtos","json_url":"https://junglewise.ai/threats/technologies/rtos.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/rtos","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":2,"all_time":4,"critical":0,"exploited":0,"last_7_days":1,"last_30_days":2,"last_90_days":4,"last_365_days":4},"latest":[{"cve":"CVE-2026-17052","cvss":7.8,"epss":0.0012,"slug":"cve-2026-17052-the-time-aware-gpio-syscall-verification-handler-z-vrfy-tgpio-pin","title":"Zephyr RTOS Time-aware GPIO syscall memory write check bypass","severity":"high","exploited":false,"published_at":"2026-09-21T19:17:04.08+00:00","url":"https://junglewise.ai/threats/cve-2026-17052-the-time-aware-gpio-syscall-verification-handler-z-vrfy-tgpio-pin"},{"cve":"CVE-2026-15924","cvss":5.9,"epss":0.0031,"slug":"cve-2026-15924-zephyr-tls-socket-layer-race-condition-in-session-cache","title":"Zephyr TLS socket layer race condition in session cache","severity":"medium","exploited":false,"published_at":"2026-09-14T20:16:38.907+00:00","url":"https://junglewise.ai/threats/cve-2026-15924-zephyr-tls-socket-layer-race-condition-in-session-cache"},{"cve":"CVE-2026-11812","cvss":2.5,"epss":0.001,"slug":"cve-2026-11812-zephyr-updatehub-management-state-corruption-and-denial-of","title":"Zephyr UpdateHub management state corruption and denial of service","severity":"low","exploited":false,"published_at":"2026-08-10T23:16:51.02+00:00","url":"https://junglewise.ai/threats/cve-2026-11812-zephyr-updatehub-management-state-corruption-and-denial-of"},{"cve":"CVE-2026-10848","cvss":7,"epss":0.0038,"slug":"cve-2026-10848-zephyr-ocpp-1-6-client-buffer-over-read-in-rpc-frame-parsing","title":"Zephyr OCPP 1.6 client buffer over-read in RPC frame parsing","severity":"high","exploited":false,"published_at":"2026-08-02T17:16:58.163+00:00","url":"https://junglewise.ai/threats/cve-2026-10848-zephyr-ocpp-1-6-client-buffer-over-read-in-rpc-frame-parsing"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":1}],"related":[],"technology":{"hub":true,"name":"Zephyr RTOS","slug":"rtos","vendor":{"name":"Zephyr","slug":"zephyr","url":"https://junglewise.ai/threats/vendors/zephyr"},"aliases":[],"category":"os","url":"https://junglewise.ai/threats/technologies/rtos"},"most_severe":[{"cve":"CVE-2026-17052","cvss":7.8,"epss":0.0012,"slug":"cve-2026-17052-the-time-aware-gpio-syscall-verification-handler-z-vrfy-tgpio-pin","title":"Zephyr RTOS Time-aware GPIO syscall memory write check bypass","severity":"high","exploited":false,"published_at":"2026-09-21T19:17:04.08+00:00","url":"https://junglewise.ai/threats/cve-2026-17052-the-time-aware-gpio-syscall-verification-handler-z-vrfy-tgpio-pin"},{"cve":"CVE-2026-10848","cvss":7,"epss":0.0038,"slug":"cve-2026-10848-zephyr-ocpp-1-6-client-buffer-over-read-in-rpc-frame-parsing","title":"Zephyr OCPP 1.6 client buffer over-read in RPC frame parsing","severity":"high","exploited":false,"published_at":"2026-08-02T17:16:58.163+00:00","url":"https://junglewise.ai/threats/cve-2026-10848-zephyr-ocpp-1-6-client-buffer-over-read-in-rpc-frame-parsing"},{"cve":"CVE-2026-15924","cvss":5.9,"epss":0.0031,"slug":"cve-2026-15924-zephyr-tls-socket-layer-race-condition-in-session-cache","title":"Zephyr TLS socket layer race condition in session cache","severity":"medium","exploited":false,"published_at":"2026-09-14T20:16:38.907+00:00","url":"https://junglewise.ai/threats/cve-2026-15924-zephyr-tls-socket-layer-race-condition-in-session-cache"},{"cve":"CVE-2026-11812","cvss":2.5,"epss":0.001,"slug":"cve-2026-11812-zephyr-updatehub-management-state-corruption-and-denial-of","title":"Zephyr UpdateHub management state corruption and denial of service","severity":"low","exploited":false,"published_at":"2026-08-10T23:16:51.02+00:00","url":"https://junglewise.ai/threats/cve-2026-11812-zephyr-updatehub-management-state-corruption-and-denial-of"}],"generated_at":"2026-09-26T12:07:00.15149+00:00"}