CVE-2022-44172

Tenda AC18 V15.03.05.19 is vulnerable to Buffer Overflow via function R7WebsSecurityHandler

Critical · published November 21, 2022

CVSS v3.1
9.8
EPSS
1%
Percentile
53.6
In the wild
Unconfirmed
What it is

🔥 Just one flawed function is all it takes for a crafty attacker to unleash chaos on your Tenda AC18 router! Think of it as a faulty assembly line that mistakenly accepts too much material, resulting in a catastrophic overflow that disrupts the entire process. This buffer overflow allows attackers to send excess data into the system, causing it to malfunction spectacularly, much like a factory that can't handle a sudden surge of orders. If exploited, this critical vulnerability allows an attacker to execute arbitrary code on the router, potentially taking full control over your network. Imagine a hacker gaining access to all your connected devices, snooping on your personal data, or even hijacking your internet connection for malicious purposes. This kind of breach could lead to devastating consequences, including data theft and loss of privacy.

Put simply

Think of it as a faulty assembly line that mistakenly accepts too much material, resulting in a catastrophic overflow that disrupts the entire process. This buffer overflow allows attackers to send excess data into the system, causing it to malfunction spectacularly, much like a factory that can't handle a sudden surge of orders. CVE-2022-44172 is a buffer overflow vulnerability in the Tenda AC18 router, specifically in the R7WebsSecurityHandler function, which mishandles input, allowing attackers to overwrite memory and execute arbitrary code.

What to do

If exploited, this critical vulnerability allows an attacker to execute arbitrary code on the router, potentially taking full control over your network. Imagine a hacker gaining access to all your connected devices, snooping on your personal data, or even hijacking your internet connection for malicious purposes. This kind of breach could lead to devastating consequences, including data theft and loss of privacy. To protect yourself, patch your Tenda AC18 router to the latest firmware version provided by Tenda as soon as possible. Additionally, regularly monitor your network for any unusual activity and change your router's default credentials to something more secure. You’ve got this! Follow these steps, and your network will be fortified 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
0.00727 · 53.6th percentile
Published
2022-11-21T00:00Z
EPSS history
Timeline
  • 21 NOV 00:00Z
    Tenda AC18 V15.03.05.19 is vulnerable to Buffer Overflow via function R7WebsSecurityHandler
    cvelistv5