CVE-2021-21749

ZTE MF971R product has two stack-based buffer overflow vulnerabilities

published October 20, 2021

CVSS
—
EPSS
2%
Percentile
75.8
In the wild
Unconfirmed
What it is

⚠️ Two stack-based buffer overflow vulnerabilities are lurking in the ZTE MF971R! An attacker can exploit them to execute arbitrary code, which is absolutely devastating! 🔥 Think of it like a crowded storage room where one misplaced box can cause a domino effect, leading to serious chaos. If an attacker knows how to tip that box just right, they can completely take over the entire room! An attacker could gain the ability to run any code they choose, which means they could change settings, steal data, or even render the device completely unusable. This could have significant ramifications for users if their devices behave unexpectedly or are taken over entirely!

Put simply

Think of it like a crowded storage room where one misplaced box can cause a domino effect, leading to serious chaos. If an attacker knows how to tip that box just right, they can completely take over the entire room! This vulnerability arises from improper handling of data in the stack, allowing an attacker to overflow the buffer and manipulate the control flow of the device's software.

What to do

An attacker could gain the ability to run any code they choose, which means they could change settings, steal data, or even render the device completely unusable. This could have significant ramifications for users if their devices behave unexpectedly or are taken over entirely! To protect yourself, consider updating the firmware of the ZTE MF971R as soon as a patch is made available. Regularly monitor for updates and apply them to minimize exposure to potential exploits. Also, review your network configurations to limit access to the device. You've got this! With the right updates and vigilance, you can keep your devices safe and sound! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01617 · 75.8th percentile
Published
2021-10-20T15:22Z
EPSS history
Timeline
  • 20 OCT 15:22Z
    ZTE MF971R product has two stack-based buffer overflow vulnerabilities
    cvelistv5