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Samsung Exynos Processors Buffer Overflow Vulnerability in Wi-Fi Driver via NL80211 Vendor Command

Vulnerability

A buffer overflow vulnerability has been identified in the Wi-Fi driver of Samsung Mobile Processors and Wearable Processors, specifically in the Exynos 980, 850, 1280, 1330, 1380, 1480, 1580, W920, W930, and W1000 models. The issue arises from incorrect handling of the NL80211 vendor command, which leads to a buffer overflow through a specific ioctl message.

Impact

Exploitation of this vulnerability causes a buffer overflow, which can potentially lead to arbitrary code execution or a denial-of-service condition.

Added: Apr 7, 2026, 4:59 PM
Updated: Apr 7, 2026, 4:59 PM

Vulnerability Rating

Custom Algorithm
spread
7.8
impact
0.6
exploitability
3.3
remediation
0.0
relevance
5.1
threat
0.0
urgency
2.9
incentive
0.0

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.