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CRITICAL · 9.1

CVE-2025-27891

An issue was discovered in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, W920, W930, W1000, Modem 5123, Modem 5300, Mode...

Vulnerability 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, W920, W930, W1000, Modem 5123, Modem 5300, Modem 5400. The lack of a length check leads to out-of-bounds reads via malformed NAS packets.

CVSS Score

9.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
SamsungExynos 980 Firmware-
SamsungExynos 980-
SamsungExynos 990 Firmware-
SamsungExynos 990-
SamsungExynos 850 Firmware-
SamsungExynos 850-
SamsungExynos 1080 Firmware-
SamsungExynos 1080-
SamsungExynos 2100 Firmware-
SamsungExynos 2100-
SamsungExynos 1280 Firmware-
SamsungExynos 1280-
SamsungExynos 2200 Firmware-
SamsungExynos 2200-
SamsungExynos 1330 Firmware-
SamsungExynos 1330-
SamsungExynos 1380 Firmware-
SamsungExynos 1380-
SamsungExynos 1480 Firmware-
SamsungExynos 1480-

Related Weaknesses (CWE)

CWE-125

References

FAQ

What is CVE-2025-27891?

CVE-2025-27891 is a vulnerability with a CVSS score of 9.1 (CRITICAL). An issue was discovered in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, W920, W930, W1000, Modem 5123, Modem 5300, Mode...

How severe is CVE-2025-27891?

CVE-2025-27891 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2025-27891?

Check the references section above for vendor advisories and patch information. Affected products include: Samsung Exynos 980 Firmware, Samsung Exynos 980, Samsung Exynos 990 Firmware, Samsung Exynos 990, Samsung Exynos 850 Firmware.