CVE-2022-42166

Tenda AC10 V15.03.06.23 contains a Stack overflow vulnerability via /goform/formSetSpeedWan

Critical · published October 17, 2022

CVSS v3.1
9.8
EPSS
1%
Percentile
65.7
In the wild
Unconfirmed
What it is

🚨 A devastating stack overflow vulnerability in Tenda AC10 could allow an attacker to crash your router with just a crafted request! 🔥 Think of it like a restaurant where a chef accidentally overcooks a dish because they ignored the recipe, causing the kitchen to go into chaos — too much input can lead to a complete meltdown! If exploited, an attacker could potentially crash your router, disrupt all network operations, and even gain unauthorized control over it. This could lead to an absolute mess at home, with devices unable to connect to the internet!

Put simply

Think of it like a restaurant where a chef accidentally overcooks a dish because they ignored the recipe, causing the kitchen to go into chaos — too much input can lead to a complete meltdown! This stack overflow vulnerability occurs through the '/goform/formSetSpeedWan' endpoint, allowing an attacker to send specially crafted data that exceeds the buffer size, potentially leading to a system crash or arbitrary code execution.

What to do

If exploited, an attacker could potentially crash your router, disrupt all network operations, and even gain unauthorized control over it. This could lead to an absolute mess at home, with devices unable to connect to the internet! Update your Tenda AC10 router firmware to version V15.03.06.24 or later immediately to close this critical vulnerability. Additionally, consider implementing firewall rules to block unauthorized access to sensitive endpoints. You've got this! With these steps, you’ll have your network fortified in no time! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01111 · 65.7th percentile
Published
2022-10-17T00:00Z
EPSS history
Timeline
  • 17 OCT 00:00Z
    Tenda AC10 V15.03.06.23 contains a Stack overflow vulnerability via /goform/formSetSpeedWan
    cvelistv5