CVE-2023-46540

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

High · published October 25, 2023

CVSS v3.1
8.8
EPSS
1%
Percentile
63.3
In the wild
Unconfirmed
What it is

⚡ A stack overflow lurking in the TOTOLINK X2000R! This means a crafty attacker could exploit it through the function formNtp. 🔥 Think of it like a restaurant's kitchen overflowing with orders — if the chef tries to take on too many at once, the whole operation can grind to a halt! This stack overflow might let an attacker push the system beyond its limits, causing chaos. In a worst-case scenario, an attacker could trigger this vulnerability to crash the router or even execute arbitrary code, gaining control over the device. This could lead to total network disruption, exposing sensitive data or enabling further attacks on your home network. That's a nightmare for any security-conscious user!

Put simply

Think of it like a restaurant's kitchen overflowing with orders — if the chef tries to take on too many at once, the whole operation can grind to a halt! This stack overflow might let an attacker push the system beyond its limits, causing chaos. The stack overflow in the function formNtp occurs when the input exceeds the buffer’s capacity, allowing attackers to manipulate the stack, which can lead to executing malicious code.

What to do

In a worst-case scenario, an attacker could trigger this vulnerability to crash the router or even execute arbitrary code, gaining control over the device. This could lead to total network disruption, exposing sensitive data or enabling further attacks on your home network. That's a nightmare for any security-conscious user! To mitigate this vulnerability, patch your TOTOLINK X2000R to version 1.0.0-B20230221.0949 as soon as possible. Additionally, consider implementing stricter input validation to prevent buffer overflows in the future. You've got this! Stay vigilant, update that firmware, and you’ll keep your network safe! 🛡️

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
0.01027 · 63.3th 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 formNtp
    cvelistv5