CVE-2025-27807
Critical
Description
An issue was discovered in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 9110, W920, W930, W1000, Modem 5123, Modem 5300, Modem 5400. The lack of a length check leads to out-of-bounds writes via malformed NAS packets.
SeverityCritical
CVSS9.1
Exploit probability—
Product
Samsung Exynos 990 Firmware
PublishedJan 5, 2026
First seenJan 5, 2026
Weakness typeCWE-787Out-of-bounds write
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| samsung exynos_990_firmware | No range specified | — |
| samsung exynos_980_firmware | No range specified | — |
| samsung exynos_850_firmware | No range specified | — |
| samsung exynos_1080_firmware | No range specified | — |
| samsung exynos_2100_firmware | No range specified | — |
| samsung exynos_1280_firmware | No range specified | — |
| samsung exynos_2200_firmware | No range specified | — |
| samsung exynos_1330_firmware | No range specified | — |
| samsung exynos_1380_firmware | No range specified | — |
| samsung exynos_1480_firmware | No range specified | — |
| samsung exynos_1580_firmware | No range specified | — |
| samsung exynos_2400_firmware | No range specified | — |
| samsung exynos_9110_firmware | No range specified | — |
| samsung exynos_w930_firmware | No range specified | — |
| samsung exynos_w920_firmware | No range specified | — |
| samsung exynos_w1000_firmware | No range specified | — |
| samsung modem_5123_firmware | No range specified | — |
| samsung modem_5300_firmware | No range specified | — |
| samsung modem_5400_firmware | No range specified | — |
Check your version
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