CVE-2025-26781: samsung exynos_1080_firmware Improper Input Validation

Vulnerability summary

CVE-2025-26781 is a high (CVSS 7.5) Improper Input Validation vulnerability in samsung exynos_1080_firmware. EPSS estimates a 0.60% chance of exploitation in the next 30 days, higher than 47.3% of scored vulnerabilities.

Timeline

1. 20-10-2025
   PublishedVulnerability first disclosed.
2. 21-10-2025
   Last modifiedVulnerability information updated.

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.

• CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.