CVE-2025-53966

An issue was discovered in Samsung Mobile Processor Exynos 1380, 1480, 2400, and 1580

High · published January 5, 2026

CVSS v3.1
8.4
EPSS
0%
Percentile
4.8
In the wild
Unconfirmed
What it is

⚡ A seemingly innocuous command could trigger a buffer overflow! This vulnerability in Samsung's Exynos processors could let the wrong hands gain control. 🔥 Think of it like a postal worker mishandling a package that’s too heavy for the mailbox — when the package exceeds the limits, it bursts open and spills everywhere, causing a huge mess! An attacker exploiting this vulnerability could potentially execute arbitrary code on your device, leading to unauthorized access or even complete system takeover. Just imagine your fancy phone suddenly running amok with malicious intentions — absolutely devastating!

Put simply

Think of it like a postal worker mishandling a package that’s too heavy for the mailbox — when the package exceeds the limits, it bursts open and spills everywhere, causing a huge mess! This vulnerability arises from incorrect handling of the NL80211 vendor command in the Samsung Exynos 1380, 1480, 2400, and 1580 processors. It results in a buffer overflow when processing an IOCTL message, which can be exploited to execute arbitrary code.

What to do

An attacker exploiting this vulnerability could potentially execute arbitrary code on your device, leading to unauthorized access or even complete system takeover. Just imagine your fancy phone suddenly running amok with malicious intentions — absolutely devastating! Update your device firmware to the latest version available from Samsung to patch this vulnerability. Regularly check for software updates to ensure your device's defenses stay strong. 🛡️ This is fixable! Stay vigilant and keep those devices updated to secure your tech. You've got this! 💪

The record
Technical detail
CVSS v3.1
8.4 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00160 · 4.8th percentile
Published
2026-01-05T00:00Z
EPSS history
Timeline
  • 05 JAN 00:00Z
    An issue was discovered in Samsung Mobile Processor Exynos 1380, 1480, 2400, and 1580
    cvelistv5