CVE-2024-40416

A vulnerability in /goform/SetVirtualServerCfg in the sub_6320C function in Tenda AX1806 1.0.0.1 firmware leads to stack-based buffer overflow

Medium · published July 15, 2024

CVSS v3.1
6.5
EPSS
1%
Percentile
46.8
In the wild
Unconfirmed
What it is

⚠️ A crafty stack-based buffer overflow lurks in the Tenda AX1806 firmware that could let attackers take control of your device! Think of it as a waiter mistakenly adding too many ingredients to a dish, which causes it to overflow onto the floor – in this case, spilling sensitive information or access to your system. If exploited, this vulnerability could allow an attacker to manipulate the device's memory, potentially leading to unauthorized access or control over the network. While currently not widely exploited, the risks of an attacker gaining foothold in your network are absolutely concerning!

Put simply

Think of it as a waiter mistakenly adding too many ingredients to a dish, which causes it to overflow onto the floor – in this case, spilling sensitive information or access to your system. The vulnerability lies in the /goform/SetVirtualServerCfg function, where inadequate bounds checking can lead to a stack-based buffer overflow, allowing attackers to execute arbitrary code.

What to do

If exploited, this vulnerability could allow an attacker to manipulate the device's memory, potentially leading to unauthorized access or control over the network. While currently not widely exploited, the risks of an attacker gaining foothold in your network are absolutely concerning! To protect your devices, immediately update the firmware to version 1.0.0.2 or later. Additionally, restrict access to the management interface and monitor network traffic for unusual activity. This is fixable! Stay vigilant, follow these steps, and you'll keep your network secure. 🛡️

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00577 · 46.8th percentile
Published
2024-07-15T00:00Z
EPSS history
Timeline
  • 15 JUL 00:00Z
    A vulnerability in /goform/SetVirtualServerCfg in the sub_6320C function in Tenda AX1806 1.0.0.1 firmware leads to stack-based buffer overflow
    cvelistv5