{"id":"CVE-2025-66366","title":"Incorrect handling of unauthenticated downlink RRC Setup messages can cause the baseband to crash","summary":"Incorrect handling of unauthenticated downlink RRC Setup messages can cause the baseband to crash","severity":"none","cwe":["CWE-129"],"vendor":"Samsung Semiconductor","product":"Exynos 1280","affected":["exynos_1280 < July 2026","exynos_1330 < July 2026","exynos_1380 < July 2026","exynos_1480 < July 2026","exynos_2400 < July 2026","exynos_1580 < July 2026","exynos_2500 < July 2026","exynos_modem_5300 < July 2026","exynos_modem_5400 < July 2026","exynos_modem_5410 < July 2026"],"published":"2026-11-05","updated":"2026-11-05","sourceUpdated":"2026-11-05T02:38:04.503Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-66366","references":[{"url":"https://semiconductor.samsung.com/support/quality-support/product-security-updates/"}],"tags":["cve.org"],"ingestedAt":"2026-11-05T21:36:00.700Z","slug":"CVE-2025-66366","body":"## Overview\n\nIncorrect handling of unauthenticated downlink RRC Setup messages can cause the baseband to crash\n\n## Affected\n\n- `exynos_1280 < July 2026`\n- `exynos_1330 < July 2026`\n- `exynos_1380 < July 2026`\n- `exynos_1480 < July 2026`\n- `exynos_2400 < July 2026`\n- `exynos_1580 < July 2026`\n- `exynos_2500 < July 2026`\n- `exynos_modem_5300 < July 2026`\n- `exynos_modem_5400 < July 2026`\n- `exynos_modem_5410 < July 2026`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}