CVE-2025-20681CWE-787

In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check

Critical · published July 8, 2025

CVSS v3.1
9.8
EPSS
1%
Percentile
49.8
In the wild
Unconfirmed
What it is

🔥 A sneaky bounds check oversight in the wlan AP driver could grant local users some seriously elevated privileges! Think of it as a hotel guest who finds a secret staircase that leads directly to the penthouse suite, bypassing all the security checks — once they're up there, the keys to the kingdom are at their fingertips! If exploited, an attacker could escalate their privileges, allowing them to gain control over sensitive system resources or data — it's like giving someone full access to your entire bank account just because they snuck into your house. This could lead to devastating consequences for the system's integrity and security!

Put simply

Think of it as a hotel guest who finds a secret staircase that leads directly to the penthouse suite, bypassing all the security checks — once they're up there, the keys to the kingdom are at their fingertips! This vulnerability arises from an incorrect bounds check in the wlan AP driver, which could allow users with local execution privileges to write out of the designated bounds, potentially leading to privilege escalation.

What to do

If exploited, an attacker could escalate their privileges, allowing them to gain control over sensitive system resources or data — it's like giving someone full access to your entire bank account just because they snuck into your house. This could lead to devastating consequences for the system's integrity and security! To mitigate this risk, immediately apply the patch ID WCNCR00416936 and ensure your systems are updated to the latest version. Regularly audit user permissions and monitor for any suspicious local activity to help safeguard your environment. You've got this! With a little vigilance and these steps, you can lock down your systems and keep those elevator buttons pressed on the ground floor! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00635 · 49.8th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2025-07-08T02:00Z
EPSS history
Timeline
  • 08 JUL 02:00Z
    In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check
    cvelistv5