CVE-2023-51102

Tenda W9 V1.0.0.7(4456)_CN was discovered to contain a stack overflow via the function formWifiMacFilterSet

published December 26, 2023

CVSS
—
EPSS
1%
Percentile
52.7
In the wild
Unconfirmed
What it is

⚠️ A sly stack overflow can sneak in through the Tenda W9's `formWifiMacFilterSet` function. This little security hiccup poses a risk, and you might want to pay attention! Think of this vulnerability like a waiter who keeps piling too many plates on a single tray — eventually, it tips over, and everything comes crashing down. In this case, when the function can’t handle all the data, it can lead to unexpected behavior that could be exploited. If an attacker successfully triggers this stack overflow, it could lead to application crashes, allowing them to execute arbitrary code or manipulate the device's behavior. While the severity level is still under wraps, the potential fallout could disrupt your network's stability.

Put simply

Think of this vulnerability like a waiter who keeps piling too many plates on a single tray — eventually, it tips over, and everything comes crashing down. In this case, when the function can’t handle all the data, it can lead to unexpected behavior that could be exploited. The vulnerability stems from a stack overflow in the `formWifiMacFilterSet` function, where excessive input can lead to memory corruption, making the device vulnerable to various exploits.

What to do

If an attacker successfully triggers this stack overflow, it could lead to application crashes, allowing them to execute arbitrary code or manipulate the device's behavior. While the severity level is still under wraps, the potential fallout could disrupt your network's stability. To mitigate this issue, immediately check for any firmware updates for your Tenda W9 device and apply them. Consider limiting the input size for the `formWifiMacFilterSet` function as a precaution. Regular monitoring of device logs can also help in identifying any suspicious activity. You've got this! With these proactive steps, you're well on your way to strengthening your network's defenses! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00701 · 52.7th percentile
Published
2023-12-26T00:00Z
EPSS history
Timeline
  • 26 DEC 00:00Z
    Tenda W9 V1.0.0.7(4456)_CN was discovered to contain a stack overflow via the function formWifiMacFilterSet
    cvelistv5