CVE-2022-48122

TOTOlink A7100RU V7.4cu.2313_B20191024 was discovered to contain a command injection vulnerability via the dayvalid parameter in the setting/delStaticDhcpRules…

Critical · published January 20, 2023

CVSS v3.1
9.8
EPSS
2%
Percentile
80.2
In the wild
Unconfirmed
What it is

🚨 A command injection vulnerability lies in wait within the TOTOlink A7100RU! Just tampering with the dayvalid parameter can give an attacker full control. 🔥 Think of it like a restaurant where a customer can rewrite the menu by simply suggesting a new dish—if the staff accepts it without question, they might end up serving something dangerous to everyone! An attacker could potentially gain complete control over the router, allowing them to manipulate network settings, intercept data, or even launch attacks on other devices connected to the network. This could lead to an absolute disaster for your entire network!

Put simply

Think of it like a restaurant where a customer can rewrite the menu by simply suggesting a new dish—if the staff accepts it without question, they might end up serving something dangerous to everyone! This vulnerability in TOTOlink A7100RU arises from a command injection flaw in the setting/delStaticDhcpRules function, specifically through the dayvalid parameter, allowing attackers to execute arbitrary commands on the device.

What to do

An attacker could potentially gain complete control over the router, allowing them to manipulate network settings, intercept data, or even launch attacks on other devices connected to the network. This could lead to an absolute disaster for your entire network! Update the TOTOlink A7100RU firmware to the latest version, V7.4cu.2313_B20191024 or later, to patch this command injection vulnerability. Additionally, consider implementing network segmentation to limit exposure. 🛡️ You've got this! With these updates, you'll strengthen your network security in no time! 💪

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
0.01958 · 80.2th percentile
Published
2023-01-20T00:00Z
EPSS history
Timeline
  • 20 JAN 00:00Z
    TOTOlink A7100RU V7.4cu.2313_B20191024 was discovered to contain a command injection vulnerability via the dayvalid parameter in the setting/delStaticDhcpRules…
    cvelistv5