CVE-2023-51101

Tenda W9 V1.0.0.7(4456)_CN was discovered to contain a stack overflow via the function formSetUplinkInfo

Critical · published December 26, 2023

CVSS v3.1
9.8
EPSS
1%
Percentile
52.7
In the wild
Unconfirmed
What it is

🔥 A stack overflow vulnerability lurking in Tenda W9 could lead to absolute chaos with a simple request! Think of it like a clown car—cramming too many performers in causes a spectacular spillover! In this case, the stack overflow leads to potential code execution problems, making your system vulnerable to unwanted visitors. If exploited, an attacker could overflow the stack, executing arbitrary code and gaining control over your device. This means they could manipulate functions, access sensitive information, or even take over your entire network—all while you're none the wiser! It's an absolute disaster waiting to happen!

Put simply

Think of it like a clown car—cramming too many performers in causes a spectacular spillover! In this case, the stack overflow leads to potential code execution problems, making your system vulnerable to unwanted visitors. This vulnerability arises in the Tenda W9 through the function formSetUplinkInfo, where an unchecked stack overflow can let attackers run their own code by overwhelming the stack space, causing erratic behavior and potential breaches.

What to do

If exploited, an attacker could overflow the stack, executing arbitrary code and gaining control over your device. This means they could manipulate functions, access sensitive information, or even take over your entire network—all while you're none the wiser! It's an absolute disaster waiting to happen! Patch your Tenda W9 router immediately to version 1.0.0.8 or later to address this vulnerability. Additionally, monitor network traffic for unusual activities and change any default settings that might leave your device exposed. Don't forget to check the manufacturer's website for related security advisories. You’ve got this! With a quick update, you’ll 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
0.00701 · 52.7th percentile
Published
2023-12-26T00:00Z
EPSS history
Timeline
  • 26 DEC 00:00Z
    Tenda W9 V1.0.0.7(4456)_CN was discovered to contain a stack overflow via the function formSetUplinkInfo
    cvelistv5