CVE-2023-44014

Tenda AC10U v1.0 US_AC10UV1.0RTL_V15.03.06.49_multi_TDE01 was discovered to contain multiple stack overflows in the formSetMacFilterCfg function via the…

High · published September 27, 2023

CVSS v3.1
8.8
EPSS
1%
Percentile
66.2
In the wild
Unconfirmed
What it is

⚡ A couple of crafty parameters are all it takes to trigger this vulnerability! The Tenda AC10U router contains multiple stack overflows in its formSetMacFilterCfg function, creating a pathway for real trouble. 🔥 Think of it like a restaurant that takes orders without checking what comes in — if the kitchen accepts anything, an overzealous chef might whip up a chaotic dish that nobody wanted. In this case, the parameters macFilterType and deviceList are the unfiltered orders that could lead to a system crash. An attacker can exploit these stack overflows to cause unpredictable behavior, potentially crashing the router or executing arbitrary code. This could lead to denial of service or even unauthorized access to your network! It's a vulnerability that can completely disrupt your home network security, and we definitely don’t want that.

Put simply

Think of it like a restaurant that takes orders without checking what comes in — if the kitchen accepts anything, an overzealous chef might whip up a chaotic dish that nobody wanted. In this case, the parameters macFilterType and deviceList are the unfiltered orders that could lead to a system crash. This vulnerability arises from improper handling of input in the formSetMacFilterCfg function, allowing an attacker to send crafted values through the macFilterType and deviceList parameters. By exploiting this oversight, attackers can trigger stack overflow conditions.

What to do

An attacker can exploit these stack overflows to cause unpredictable behavior, potentially crashing the router or executing arbitrary code. This could lead to denial of service or even unauthorized access to your network! It's a vulnerability that can completely disrupt your home network security, and we definitely don’t want that. To mitigate this risk, update the router firmware to the latest version as soon as possible. Regularly check for updates and consider implementing firewall rules to block suspicious incoming requests. Don’t forget to audit your network configurations! You’ve got this! By taking these steps, you’ll be on your way to locking down your router and keeping your network secure. 🛡️

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
0.01135 · 66.2th 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 multiple stack overflows in the formSetMacFilterCfg function via the…
    cvelistv5