CVE-2024-35398

TOTOLINK CP900L v4.1.5cu.798_B20221228 was discovered to contain a stack overflow via the desc parameter in the function setMacFilterRules

Critical · published May 28, 2024

CVSS v3.1
9.8
EPSS
1%
Percentile
46.4
In the wild
Unconfirmed
What it is

🚨 The TOTOLINK CP900L has a critical stack overflow lurking in its setMacFilterRules function — a tiny oversight with potentially explosive consequences! 🔥 Think of it like a restaurant where the chef is overwhelmed by orders coming in too fast — if the kitchen can't handle it, the entire menu could come crashing down! An attacker could exploit this stack overflow to crash the device, potentially disrupting your entire network. In the worst-case scenario, they might even gain control over the router, allowing them to siphon off sensitive data or launch attacks against other devices. The stakes here are absolutely devastating!

Put simply

Think of it like a restaurant where the chef is overwhelmed by orders coming in too fast — if the kitchen can't handle it, the entire menu could come crashing down! This vulnerability arises from improper handling of the 'desc' parameter within the setMacFilterRules function, leading to a stack overflow that can be exploited remotely.

What to do

An attacker could exploit this stack overflow to crash the device, potentially disrupting your entire network. In the worst-case scenario, they might even gain control over the router, allowing them to siphon off sensitive data or launch attacks against other devices. The stakes here are absolutely devastating! Upgrade your TOTOLINK CP900L to version 4.1.5cu.799_B20230101 or later to patch this vulnerability. Regularly review configurations and implement network monitoring to detect any abnormal behavior. Don't forget to change default credentials if you haven’t done so! You've got this! With these steps, you'll keep your network safe and sound. 🛡️

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
0.00568 · 46.4th percentile
Published
2024-05-28T14:38Z
EPSS history
Timeline
  • 28 MAY 14:38Z
    TOTOLINK CP900L v4.1.5cu.798_B20221228 was discovered to contain a stack overflow via the desc parameter in the function setMacFilterRules
    cvelistv5