CVE-2024-30635

Tenda F1202 v1.2.0.20(408) has a stack overflow vulnerability located in the funcpara1 parameter in the formSetCfm function

Critical · published March 29, 2024

CVSS v3.1
9.8
EPSS
1%
Percentile
56.4
In the wild
Unconfirmed
What it is

🚨 A crafty attacker can exploit a stack overflow through the funcpara1 parameter in Tenda F1202, opening the door wide to devastating consequences! 🔥 Think of this like a dish overflowing after too many ingredients are added — the kitchen gets chaotic, and things could start breaking down. Here, the router's memory is the kitchen, and the overflow could spill into areas where it shouldn’t go! An attacker could take advantage of this stack overflow to execute arbitrary code, potentially gaining full control of the device. This could lead to unauthorized access to your network, allowing the intruder to view confidential data, change settings, or even intercept sensitive communications.

Put simply

Think of this like a dish overflowing after too many ingredients are added — the kitchen gets chaotic, and things could start breaking down. Here, the router's memory is the kitchen, and the overflow could spill into areas where it shouldn’t go! This vulnerability occurs in the Tenda F1202 router's formSetCfm function, specifically in how it handles the funcpara1 parameter, leading to a stack overflow when excessive data is processed.

What to do

An attacker could take advantage of this stack overflow to execute arbitrary code, potentially gaining full control of the device. This could lead to unauthorized access to your network, allowing the intruder to view confidential data, change settings, or even intercept sensitive communications. Immediately patch the device to version 1.2.0.21 or higher to close this vulnerability. Additionally, consider implementing strict input validation to prevent overflows and regularly monitor network traffic for unusual activity. You've got this! Follow these steps, and you'll be a security hero 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
0.00807 · 56.4th percentile
Published
2024-03-29T00:00Z
EPSS history
Timeline
  • 29 MAR 00:00Z
    Tenda F1202 v1.2.0.20(408) has a stack overflow vulnerability located in the funcpara1 parameter in the formSetCfm function
    cvelistv5