CVE-2023-31729

TOTOLINK A3300R v17.0.0cu.557 is vulnerable to Command Injection via /cgi-bin/cstecgi.cgi

Critical · published May 18, 2023

CVSS v3.1
9.8
EPSS
1%
Percentile
71.0
In the wild
Unconfirmed
What it is

🚨 A critical command injection flaw lurks in the TOTOLINK A3300R! If you're running version 17.0.0cu.557, it's time to take action before attackers come knocking! 🔥 Think of this vulnerability like a restaurant where the kitchen is fed orders without checking them — anyone can sneak in a wild request and change the menu at will! An attacker exploiting this vulnerability could gain control over the router, allowing them to execute arbitrary commands. This means they could potentially intercept your traffic, manipulate your network settings, or even launch attacks on devices connected to your network. Absolutely devastating!

Put simply

Think of this vulnerability like a restaurant where the kitchen is fed orders without checking them — anyone can sneak in a wild request and change the menu at will! This command injection vulnerability exists because the device fails to properly sanitize input in the '/cgi-bin/cstecgi.cgi' CGI script, allowing attackers to run malicious commands with root privileges.

What to do

An attacker exploiting this vulnerability could gain control over the router, allowing them to execute arbitrary commands. This means they could potentially intercept your traffic, manipulate your network settings, or even launch attacks on devices connected to your network. Absolutely devastating! To protect your network, patch the TOTOLINK A3300R to a secure version without this flaw. Ensure you're using the latest firmware and review your network's security settings. Don't delay; the sooner you act, the safer you'll be! You've got this! Acting quickly will 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
0.01337 · 71.0th percentile
Published
2023-05-18T00:00Z
EPSS history
Timeline
  • 18 MAY 00:00Z
    TOTOLINK A3300R v17.0.0cu.557 is vulnerable to Command Injection via /cgi-bin/cstecgi.cgi
    cvelistv5