Vulnerability · Published Nov 5, 2026 · Assigned by samsungsemiconductor
CVE-2025-66366
Unrated
In plain English
A security flaw in Exynos 1280 from Samsung Semiconductor. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities).
Severity (CVSS )–Not rated
Exploit odds (30 days)0.1%top 96.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Incorrect handling of unauthenticated downlink RRC Setup messages can cause the baseband to crash
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Samsung Semiconductor | Exynos 1280 | 0 – before July 2026 |
| Samsung Semiconductor | Exynos 1330 | 0 – before July 2026 |
| Samsung Semiconductor | Exynos 1380 | 0 – before July 2026 |
| Samsung Semiconductor | Exynos 1480 | 0 – before July 2026 |
| Samsung Semiconductor | Exynos 2400 | 0 – before July 2026 |
| Samsung Semiconductor | Exynos 1580 | 0 – before July 2026 |
| Samsung Semiconductor | Exynos 2500 | 0 – before July 2026 |
| Samsung Semiconductor | Exynos Modem 5300 | 0 – before July 2026 |
| Samsung Semiconductor | Exynos Modem 5400 | 0 – before July 2026 |
| Samsung Semiconductor | Exynos Modem 5410 | 0 – before July 2026 |
Weakness: CWE-129