Exynos 1080 Firmware
CVE-2025-27807
CRITICAL
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Lifecycle Timeline
2DescriptionCVE.org
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.
AnalysisAI
Samsung Exynos processors (multiple models including 980, 990, 2100, 2200, 2400) and modems have an out-of-bounds write via malformed NAS (Non-Access Stratum) packets. This baseband vulnerability can be exploited over the cellular network without user interaction, potentially affecting millions of devices.
Technical ContextAI
The NAS packet parser in Exynos baseband firmware fails to validate length fields (CWE-787), causing out-of-bounds writes. NAS operates between the device and the core network – a rogue base station or compromised network element can send crafted packets directly to the baseband processor. Baseband vulnerabilities execute below the OS, often with DMA access to main memory.
RemediationAI
Apply Samsung security updates. These are typically distributed through carrier OTA updates. No user-side mitigation exists for baseband vulnerabilities.
More in Exynos 1080 Firmware
View allAn issue was discovered in Samsung Baseband Modem Chipset for Exynos Modem 5123, Exynos Modem 5300, Exynos 980, Exynos 1
An issue was discovered in Samsung Baseband Modem Chipset for Exynos Modem 5123, Exynos Modem 5300, Exynos 980, Exynos 1
An issue was discovered in Samsung Baseband Modem Chipset for Exynos Modem 5123, Exynos Modem 5300, Exynos 980, Exynos 1
An issue was discovered in Samsung Mobile Chipset and Baseband Modem Chipset for Exynos 850, Exynos 980, Exynos 1080, Ex
An issue was discovered in Samsung Mobile Chipset and Baseband Modem Chipset for Exynos 850, Exynos 980, Exynos 1080, Ex
An issue was discovered in Samsung Mobile Chipset and Baseband Modem Chipset for Exynos 850, Exynos 980, Exynos 1080, Ex
The Samsung Exynos Modem 5123, Exynos Modem 5300, Exynos 980, Exynos 1080, and Exynos Auto T512 baseband modem chipsets
An issue was discovered in Samsung Mobile Chipset and Baseband Modem Chipset for Exynos 850, Exynos 980, Exynos 1080, Ex
In RRC in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 13
Double-free vulnerability in Samsung's Exynos mobile processors (models 980, 990, 1080, 2100, 1280, 2200, 1380, 1480, an
An issue was discovered in Samsung Mobile Processor and Wearable Processor Exynos 850, Exynos 1080, Exynos 2100, Exynos
An issue was discovered in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 9820, 9825, 980, 990, 850, 108
Same weakness CWE-787 – Out-of-bounds Write
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External POC / Exploit Code
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