CVE-2023-41556

Tenda AC7 V1.0 V15.03.06.44, Tenda AC9 V3.0 V15.03.06.42_multi, and Tenda AC5 V1.0RTL_V15.03.06.28 were discovered to contain a stack overflow via parameter…

published August 30, 2023

CVSS
—
EPSS
1%
Percentile
65.9
In the wild
Unconfirmed
What it is

⚠️ A sneaky stack overflow is lurking in the Tenda AC routers! Just a tiny parameter list at /goform/SetIpMacBind is all it takes to exploit it. 🔍 Think of it like a restaurant that keeps serving customers even when the kitchen's capacity is maxed out. The orders start piling up, and chaos ensues as the staff can’t keep up with the demand, just like how this overflow can lead to unpredictable results. An attacker could potentially exploit this stack overflow to manipulate the router, which might lead to unexpected crashes or even the ability to run unauthorized commands. This could disrupt your home network or allow entry points for further attacks. Yikes!

Put simply

Think of it like a restaurant that keeps serving customers even when the kitchen's capacity is maxed out. The orders start piling up, and chaos ensues as the staff can’t keep up with the demand, just like how this overflow can lead to unpredictable results. The vulnerability exists in the way the Tenda routers handle input at the specified URL, allowing for a stack overflow through the parameter list, which can cause the device to behave unpredictably or crash.

What to do

An attacker could potentially exploit this stack overflow to manipulate the router, which might lead to unexpected crashes or even the ability to run unauthorized commands. This could disrupt your home network or allow entry points for further attacks. Yikes! To secure your device, it's recommended to update the firmware to the latest version as soon as it’s available. Regularly check for updates and monitor your network settings. Staying aware is key! You've got this! Stay proactive, and your home network will be safe and sound. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01121 · 65.9th percentile
Published
2023-08-30T00:00Z
EPSS history
Timeline
  • 30 AUG 00:00Z
    Tenda AC7 V1.0 V15.03.06.44, Tenda AC9 V3.0 V15.03.06.42_multi, and Tenda AC5 V1.0RTL_V15.03.06.28 were discovered to contain a stack overflow via parameter…
    cvelistv5