CVE-2023-51090

Tenda M3 V1.0.0.12(4856) was discovered to contain a stack overflow via the function formGetWeiXinConfig

published December 26, 2023

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

⚠️ A sneaky stack overflow hides in Tenda M3's formGetWeiXinConfig function! It’s like a crowded restaurant where one too many orders causes chaos in the kitchen! 🍽️ Picture a restaurant where the chef can only handle a limited number of dishes at once. If a last-minute order pushes it over the limit, the chef could accidentally drop everything, leading to a disaster in the kitchen. In the same way, this stack overflow can overwhelm the system, leading to potential crashes or unexpected behavior. An attacker could exploit this overflow to cause the device to misbehave, leading to unwanted resets or a denial of service. While it's labeled as "unknown severity," the possibility of disruption can still impact users, making it crucial to address it promptly.

Put simply

Picture a restaurant where the chef can only handle a limited number of dishes at once. If a last-minute order pushes it over the limit, the chef could accidentally drop everything, leading to a disaster in the kitchen. In the same way, this stack overflow can overwhelm the system, leading to potential crashes or unexpected behavior. This vulnerability originates in the Tenda M3's formGetWeiXinConfig function, where improper handling of input can lead to a stack overflow, allowing for potential crashes or erratic behavior.

What to do

An attacker could exploit this overflow to cause the device to misbehave, leading to unwanted resets or a denial of service. While it's labeled as "unknown severity," the possibility of disruption can still impact users, making it crucial to address it promptly. To mitigate this issue, update your Tenda M3 router to the latest firmware version available from the manufacturer. Regularly check for updates to avoid being caught off guard by vulnerabilities like this one. Ensure to audit any input handling if you are developing with similar components. You've got this! Stay proactive and keep your devices secure! 🛡️

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 M3 V1.0.0.12(4856) was discovered to contain a stack overflow via the function formGetWeiXinConfig
    cvelistv5