CVE-2023-46557

TOTOLINK X2000R Gh v1.0.0-B20230221.0948.web was discovered to contain a stack overflow via the function formMultiAPVLAN

High · published October 25, 2023

CVSS v3.1
8.8
EPSS
1%
Percentile
57.2
In the wild
Unconfirmed
What it is

⚡ A sneaky stack overflow lurks in the TOTOLINK X2000R that could bring your network to its knees! Think of it like a hotel overbooking—if too many guests try to check in at once, chaos ensues! In this case, the function formMultiAPVLAN is the check-in desk, overflowing with too many requests and leading to potential crashes. An attacker could exploit this stack overflow to disrupt the device's functioning, possibly causing it to freeze or reboot unexpectedly. This could lead to loss of connectivity, leaving your network vulnerable and disorganized—definitely not a fun scenario!

Put simply

Think of it like a hotel overbooking—if too many guests try to check in at once, chaos ensues! In this case, the function formMultiAPVLAN is the check-in desk, overflowing with too many requests and leading to potential crashes. This vulnerability in TOTOLINK devices allows for a stack overflow during the execution of the function formMultiAPVLAN, which could lead to system crashes or even arbitrary code execution if manipulated effectively by an attacker.

What to do

An attacker could exploit this stack overflow to disrupt the device's functioning, possibly causing it to freeze or reboot unexpectedly. This could lead to loss of connectivity, leaving your network vulnerable and disorganized—definitely not a fun scenario! To safeguard against this threat, update your TOTOLINK X2000R to the latest firmware version immediately. Regularly check for patches and consider implementing network segmentation to limit exposure while you secure your devices. You've got this! By taking these steps, you can fortify your network and keep those pesky vulnerabilities at bay! 🛡️

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00830 · 57.2th percentile
Published
2023-10-25T00:00Z
EPSS history
Timeline
  • 25 OCT 00:00Z
    TOTOLINK X2000R Gh v1.0.0-B20230221.0948.web was discovered to contain a stack overflow via the function formMultiAPVLAN
    cvelistv5