CVE-2022-37842

In TOTOLINK A860R V4.1.2cu.5182_B20201027, the parameters in infostat.cgi are not filtered, causing a buffer overflow vulnerability

published September 6, 2022

CVSS
—
EPSS
1%
Percentile
60.3
In the wild
Unconfirmed
What it is

⚠️ A sneaky buffer overflow is hiding in the infostat.cgi parameters of TOTOLINK A860R! This could lead to some unexpected surprises! Think of it like a restaurant that overfills a soup pot without checking for spills. If they don't manage the ingredients properly, it could overflow and create a mess in the kitchen — and in this case, that mess could mean your device is vulnerable. An attacker could exploit this buffer overflow to gain unauthorized access or perform unintended actions on the device, potentially compromising the router's integrity. Imagine someone hijacking the recipe for your secret sauce — chaos could ensue!

Put simply

Think of it like a restaurant that overfills a soup pot without checking for spills. If they don't manage the ingredients properly, it could overflow and create a mess in the kitchen — and in this case, that mess could mean your device is vulnerable. This vulnerability arises from the infostat.cgi parameters not being properly filtered, allowing for buffer overflow conditions. When the parameters exceed the allocated buffer size, it can overwrite adjacent memory, leading to unpredictable behavior or control over the device.

What to do

An attacker could exploit this buffer overflow to gain unauthorized access or perform unintended actions on the device, potentially compromising the router's integrity. Imagine someone hijacking the recipe for your secret sauce — chaos could ensue! To address this vulnerability, ensure that your TOTOLINK A860R firmware is updated to the latest version available. Implement input validation to filter parameters appropriately and consider monitoring your network for any unusual activity. Staying proactive is key! You’ve got this! Patch up those vulnerabilities and keep your network secure! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00933 · 60.3th percentile
Published
2022-09-06T16:43Z
EPSS history
Timeline
  • 06 SEP 16:43Z
    In TOTOLINK A860R V4.1.2cu.5182_B20201027, the parameters in infostat.cgi are not filtered, causing a buffer overflow vulnerability
    cvelistv5