CVE-2022-33279CWE-121

Stack based buffer overflow in WLAN

Critical · published February 9, 2023

CVSS v3.1
9.8
EPSS
1%
Percentile
48.4
In the wild
Unconfirmed
What it is

🔥 A stack-based buffer overflow lurking in WLAN could turn your network into an attacker's playground! Think of it like a crowded restaurant where an oversized order spills over onto the neighboring table—just one wrong dish can cause chaos! An attacker could exploit this vulnerability to corrupt memory, potentially allowing them to execute arbitrary code, gain unauthorized access, or even crash the system entirely. This means they could hijack your network or cause significant disruptions, making it absolutely devastating!

Put simply

Think of it like a crowded restaurant where an oversized order spills over onto the neighboring table—just one wrong dish can cause chaos! The vulnerability occurs due to insufficient validation of the WNM (Wireless Network Management) frame length, leading to a stack-based buffer overflow that compromises system memory integrity.

What to do

An attacker could exploit this vulnerability to corrupt memory, potentially allowing them to execute arbitrary code, gain unauthorized access, or even crash the system entirely. This means they could hijack your network or cause significant disruptions, making it absolutely devastating! Immediately patch your WLAN devices to the latest firmware version to mitigate this risk. Additionally, review your network security configurations and consider implementing stricter validation mechanisms for frame lengths. Stay vigilant! You've got this! Fixing this vulnerability will bolster your network's defenses in no time. 🛡️

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
0.00609 · 48.4th percentile
Weakness
CWE-121 · Stack-based Buffer Overflow
Published
2023-02-09T06:58Z
EPSS history
Timeline
  • 09 FEB 06:58Z
    Stack based buffer overflow in WLAN
    cvelistv5