CVE-2023-40837

Tenda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01.bin function 'sub_ADD50' contains a command execution vulnerability

published August 30, 2023

CVSS
—
EPSS
1%
Percentile
59.7
In the wild
Unconfirmed
What it is

⚠️ A single unfiltered parameter is your gateway to command execution! The Tenda AC6's 'formSetIptv' function allows attackers to sneak commands into the system like a clever delivery person bypassing security protocols. 🔥 Think of it like a restaurant accepting orders without checking if the ingredients are safe — one wrong dish could spoil the whole menu! Here, the parameters 'list' and 'vlanId' are slipping through unguarded, allowing unauthorized commands to execute. An attacker could leverage this vulnerability to execute any command on the device, leading to unauthorized access, data leakage, or even taking complete control over the router. The implications could range from annoying network disruptions to serious security breaches. Your network could become a playground for attackers, and nobody wants that!

Put simply

Think of it like a restaurant accepting orders without checking if the ingredients are safe — one wrong dish could spoil the whole menu! Here, the parameters 'list' and 'vlanId' are slipping through unguarded, allowing unauthorized commands to execute. This command execution vulnerability arises in the Tenda AC6 router's 'formSetIptv' function, where user-supplied parameters are passed to the 'sub_ADD50' function without proper validation, allowing for arbitrary command execution.

What to do

An attacker could leverage this vulnerability to execute any command on the device, leading to unauthorized access, data leakage, or even taking complete control over the router. The implications could range from annoying network disruptions to serious security breaches. Your network could become a playground for attackers, and nobody wants that! To protect your device, ensure you update the firmware to the latest version as soon as it becomes available. Regularly review your network settings and check for any unauthorized configurations in your router. Additionally, consider using firewall settings to help mitigate risks. You’ve got this! Stay vigilant and keep your network secure! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00914 · 59.7th percentile
Published
2023-08-30T00:00Z
EPSS history
Timeline
  • 30 AUG 00:00Z
    Tenda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01.bin function 'sub_ADD50' contains a command execution vulnerability
    cvelistv5