CVE-2025-59439

An issue was discovered in Samsung Mobile Processor, Wearable Processor and Modem Exynos 980, 990, 850, 1080, 9110, W920, W930, W1000 and Modem 5123

High · published February 3, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
39.9
In the wild
Unconfirmed
What it is

⚡ A simple oversight in handling NAS Registration messages could lead to a Denial of Service for Samsung devices! 📱 Think of it like a restaurant that mismanages the orders at the counter. When a few complicated requests come in, everything gets tied up, and suddenly no one is getting served — total chaos! This vulnerability can cause devices powered by Exynos processors to become unresponsive, meaning users could experience unexpected downtime — imagine your phone just freezing when you need it most! If exploited, this could disrupt communications and functionality, leading to absolute frustration for users who rely on these devices.

Put simply

Think of it like a restaurant that mismanages the orders at the counter. When a few complicated requests come in, everything gets tied up, and suddenly no one is getting served — total chaos! CVE-2025-59439 arises from improper handling of exceptional conditions in NAS Registration messages, which can overwhelm the system, resulting in a Denial of Service for devices utilizing the affected Exynos processor models.

What to do

This vulnerability can cause devices powered by Exynos processors to become unresponsive, meaning users could experience unexpected downtime — imagine your phone just freezing when you need it most! If exploited, this could disrupt communications and functionality, leading to absolute frustration for users who rely on these devices. To address this issue, Samsung users should ensure they are running the most recent firmware updates provided by the manufacturer. Regularly check for patches and updates to mitigate potential risks. Staying vigilant about device security is key! You've got this! Keep your devices updated, and you'll be one step ahead of any threats! 🛡️

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00472 · 39.9th percentile
Published
2026-02-03T00:00Z
EPSS history
Timeline
  • 03 FEB 00:00Z
    An issue was discovered in Samsung Mobile Processor, Wearable Processor and Modem Exynos 980, 990, 850, 1080, 9110, W920, W930, W1000 and Modem 5123
    cvelistv5