CVE-2025-20646CWE-787

In wlan AP FW, there is a possible out of bounds write due to improper input validation

Critical · published March 3, 2025

CVSS v3.1
9.8
EPSS
1%
Percentile
58.8
In the wild
Unconfirmed
What it is

🚨 A sneaky out-of-bounds write in wlan AP firmware could let attackers escalate privileges without breaking a sweat! 🔥 Think of it like a restaurant chef allowing a delivery person to enter the kitchen without proper checks — they could easily tamper with ingredients or even access sensitive recipes without anyone noticing. This flaw opens the door for malicious actors to misuse their access without any user interaction! If exploited, this vulnerability could allow an attacker to gain elevated privileges within the network, potentially compromising sensitive data and critical system functions. Imagine an intruder quietly taking control of the kitchen while everyone is obliviously enjoying their meal — it's absolutely devastating!

Put simply

Think of it like a restaurant chef allowing a delivery person to enter the kitchen without proper checks — they could easily tamper with ingredients or even access sensitive recipes without anyone noticing. This flaw opens the door for malicious actors to misuse their access without any user interaction! This vulnerability arises from improper input validation during a write operation in the wlan AP firmware, enabling an attacker to write outside the intended memory bounds and escalate their privileges with no additional execution privileges needed.

What to do

If exploited, this vulnerability could allow an attacker to gain elevated privileges within the network, potentially compromising sensitive data and critical system functions. Imagine an intruder quietly taking control of the kitchen while everyone is obliviously enjoying their meal — it's absolutely devastating! Immediately apply Patch ID WCNCR00389074 to your wlan AP firmware to close this security gap. It's crucial to review your current firmware version and install the necessary updates to stay secure. Don't forget to monitor for any unusual network activity as an added precaution! You've got this! Follow the steps to patch and protect your network from potential threats. 🛡️

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
0.00881 · 58.8th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2025-03-03T02:25Z
EPSS history
Timeline
  • 03 MAR 02:25Z
    In wlan AP FW, there is a possible out of bounds write due to improper input validation
    cvelistv5