CVE-2023-40839

Tenda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01.bin function 'sub_ADF3C' contains a command execution vulnerability

published August 30, 2023

CVSS
—
EPSS
1%
Percentile
63.8
In the wild
Unconfirmed
What it is

⚠️ A crafty set of input fields is all an attacker needs to get their commands running! With the Tenda AC6 vulnerability, it’s like leaving the keys to the kitchen out for anyone to grab and cook up some trouble. 🔥 Think of it like a restaurant where customers can simply walk into the kitchen and prepare their own meals without any oversight. This vulnerability lets unauthorized users send commands straight to the router, just like someone sneaking into the kitchen to whip up a dish without permission. If exploited, an attacker could execute arbitrary commands on the Tenda AC6 router, potentially leading to a full compromise of the device. This means they could manipulate settings, intercept traffic, or even render the device inoperable, giving them a free pass into your network. That’s an absolutely devastating scenario!

Put simply

Think of it like a restaurant where customers can simply walk into the kitchen and prepare their own meals without any oversight. This vulnerability lets unauthorized users send commands straight to the router, just like someone sneaking into the kitchen to whip up a dish without permission. This command execution vulnerability occurs because the 'formSetIptv' function allows unfiltered input from the 'list' and 'vlanId' fields to be passed directly to the 'sub_ADF3C' function, enabling an attacker to execute commands on the router without authentication.

What to do

If exploited, an attacker could execute arbitrary commands on the Tenda AC6 router, potentially leading to a full compromise of the device. This means they could manipulate settings, intercept traffic, or even render the device inoperable, giving them a free pass into your network. That’s an absolutely devastating scenario! To mitigate this issue, update your Tenda AC6 router to the latest firmware version as soon as it becomes available. In the meantime, try to restrict access to your router’s settings and avoid exposing it to untrusted networks. You've got this! Stay vigilant, keep your devices updated, and make your network stronger! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01043 · 63.8th 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_ADF3C' contains a command execution vulnerability
    cvelistv5