CVE-2025-26781

HIGH
Published Oct 20, 2025 Modified Nov 4, 2025 CWE-20 CWE-119

Description

An issue was discovered in L2 in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 9110, W920, W930, Modem 5123, and Modem 5300. Incorrect handling of RLC AM PDUs leads to a Denial of Service.

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CVSS v3.1 Score

7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-20 Improper Input Validation
CWE-119 Buffer Overflow

Affected Products

Vendor Product
samsung exynos_w920_firmware
samsung exynos_w920
samsung exynos_1080_firmware
samsung exynos_1080
samsung exynos_980_firmware
samsung exynos_980
samsung exynos_990_firmware
samsung exynos_990
samsung exynos_850_firmware
samsung exynos_850
samsung exynos_2200_firmware
samsung exynos_2200
samsung exynos_1330_firmware
samsung exynos_1330
samsung exynos_1380_firmware
samsung exynos_1380
samsung exynos_1480_firmware
samsung exynos_1480
samsung exynos_9110_firmware
samsung exynos_9110
samsung modem_5400_firmware
samsung modem_5400
samsung modem_5123_firmware
samsung modem_5123
samsung exynos_w930_firmware
samsung exynos_w930

References

Frequently Asked Questions

What is CVE-2025-26781? +
An issue was discovered in L2 in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 9110, W920, W930, Modem 5123, and Modem 5300. Incorrect handling of RLC AM PDUs leads to a Denial of Service. It has a CVSS v3.1 base score of 7.5 (HIGH).
How severe is CVE-2025-26781? +
CVE-2025-26781 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.
What products are affected by CVE-2025-26781? +
CVE-2025-26781 affects products from samsung, specifically: exynos_1080, exynos_1080_firmware, exynos_1330, exynos_1330_firmware, exynos_1380, exynos_1380_firmware, exynos_1480, exynos_1480_firmware, exynos_2200, exynos_2200_firmware, exynos_850, exynos_850_firmware, exynos_9110, exynos_9110_firmware, exynos_980, exynos_980_firmware, exynos_990, exynos_990_firmware, exynos_w920, exynos_w920_firmware, exynos_w930, exynos_w930_firmware, modem_5123, modem_5123_firmware, modem_5400, modem_5400_firmware. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-26781? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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