CVE-2024-54808

Netgear WNR854T 1.5.2 (North America) contains a stack-based buffer overflow vulnerability in the SetDefaultConnectionService function due to an unconstrained…

Critical · published March 31, 2025

CVSS v3.1
9.8
EPSS
1%
Percentile
55.5
In the wild
Unconfirmed
What it is

🚨 A single unguarded sscanf is all it takes! This stack-based buffer overflow in Netgear WNR854T 1.5.2 means an attacker could hijack the control flow and run arbitrary code at will! 🔥 Think of it like a waiter who doesn't check the order before serving — they could deliver anything! In this case, an attacker can serve malicious code instead of the intended functionality, taking control of your device. If exploited, this vulnerability could allow an attacker to execute any code they wish on your router, leading to potential data breaches, unauthorized access to your network, or even turning your device into a launching pad for further attacks. The implications could be absolutely devastating!

Put simply

Think of it like a waiter who doesn't check the order before serving — they could deliver anything! In this case, an attacker can serve malicious code instead of the intended functionality, taking control of your device. The vulnerability arises from an unchecked use of sscanf in the SetDefaultConnectionService function, leading to a stack-based buffer overflow that can manipulate the program counter for arbitrary code execution.

What to do

If exploited, this vulnerability could allow an attacker to execute any code they wish on your router, leading to potential data breaches, unauthorized access to your network, or even turning your device into a launching pad for further attacks. The implications could be absolutely devastating! Patch your Netgear WNR854T to version 1.5.3 immediately to close this critical vulnerability. Also, review your configurations to ensure no untrusted inputs reach this function. Don’t forget to monitor your logs for any unusual activity. You’ve got this! With the right steps, you can secure your network and stay safe. 🛡️

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
0.00781 · 55.5th percentile
Published
2025-03-31T00:00Z
EPSS history
Timeline
  • 31 MAR 00:00Z
    Netgear WNR854T 1.5.2 (North America) contains a stack-based buffer overflow vulnerability in the SetDefaultConnectionService function due to an unconstrained…
    cvelistv5