CVE-2024-46451

TOTOLINK AC1200 T8 v4.1.5cu.861_B20230220 has a buffer overflow vulnerability in the setWiFiAclRules function via the desc parameter

Critical · published September 16, 2024

CVSS v3.1
9.8
EPSS
1%
Percentile
69.1
In the wild
Unconfirmed
What it is

🔥 A single overflow in the setWiFiAclRules function can turn your TOTOLINK AC1200 into an open door for attackers! Think of it as a party where someone sneaks in by wedging the door open—if the security doesn't check the guest list correctly, anyone can come in! This vulnerability allows bad actors to exploit the desc parameter, bypassing controls effortlessly. An attacker could exploit this buffer overflow to execute arbitrary code, potentially taking complete control of your router. This could lead to unauthorized access to your network, interception of your data, or worse, compromising all devices connected to it—absolutely devastating!

Put simply

Think of it as a party where someone sneaks in by wedging the door open—if the security doesn't check the guest list correctly, anyone can come in! This vulnerability allows bad actors to exploit the desc parameter, bypassing controls effortlessly. The buffer overflow occurs in the setWiFiAclRules function when the input is not properly validated, allowing an attacker to send overly long data through the desc parameter, which can overwrite memory and execute malicious code.

What to do

An attacker could exploit this buffer overflow to execute arbitrary code, potentially taking complete control of your router. This could lead to unauthorized access to your network, interception of your data, or worse, compromising all devices connected to it—absolutely devastating! Patch your TOTOLINK AC1200 router to version v4.1.5cu.861_B20230221 or later immediately. Additionally, review input validation processes and ensure your network security settings are implemented correctly. Don't delay—this vulnerability is critical! You've got this! Follow these steps, and you'll secure your network faster than you can say 'buffer overflow!' 🛡️

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
0.01247 · 69.1th percentile
Published
2024-09-16T00:00Z
EPSS history
Timeline
  • 16 SEP 00:00Z
    TOTOLINK AC1200 T8 v4.1.5cu.861_B20230220 has a buffer overflow vulnerability in the setWiFiAclRules function via the desc parameter
    cvelistv5