CVE-2023-44016

Tenda AC10U v1.0 US_AC10UV1.0RTL_V15.03.06.49_multi_TDE01 was discovered to contain a stack overflow via the deviceId parameter in the addWifiMacFilter…

High · published September 27, 2023

CVSS v3.1
8.8
EPSS
1%
Percentile
65.9
In the wild
Unconfirmed
What it is

⚡ A stack overflow lurking in the addWifiMacFilter function could let an attacker take control of your Tenda AC10U! Who knew a little mischief could lead to big trouble? 🔥 Think of it as a restaurant where a customer can order an infinitely large pizza – if the chef doesn’t check the order carefully, they might end up overwhelmed with too many toppings and unable to serve the other guests. That’s what happens when the deviceId parameter isn’t properly validated! An attacker could exploit this vulnerability to crash the router or even execute arbitrary code, potentially taking over the device entirely. This could lead to unauthorized access to your network, allowing attackers to snoop on your data or manipulate your connected devices. Absolutely devastating!

Put simply

Think of it as a restaurant where a customer can order an infinitely large pizza – if the chef doesn’t check the order carefully, they might end up overwhelmed with too many toppings and unable to serve the other guests. That’s what happens when the deviceId parameter isn’t properly validated! This stack overflow occurs when the addWifiMacFilter function processes the deviceId parameter without adequate bounds checking, allowing for the execution of crafted input that exceeds buffer limits.

What to do

An attacker could exploit this vulnerability to crash the router or even execute arbitrary code, potentially taking over the device entirely. This could lead to unauthorized access to your network, allowing attackers to snoop on your data or manipulate your connected devices. Absolutely devastating! To safeguard your Tenda AC10U, update the firmware to the latest version as soon as possible. Always ensure that you validate input lengths before processing them to prevent overflows. Regularly check for firmware updates to stay secure. You got this! By taking these steps, you’ll be on your way to fortifying your network like a security superhero! 🛡️

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01120 · 65.9th percentile
Published
2023-09-27T00:00Z
EPSS history
Timeline
  • 27 SEP 00:00Z
    Tenda AC10U v1.0 US_AC10UV1.0RTL_V15.03.06.49_multi_TDE01 was discovered to contain a stack overflow via the deviceId parameter in the addWifiMacFilter…
    cvelistv5