CVE-2023-33218CWE-121

Stack Buffer Overflow in a binary run at upgrade startup

Critical · published December 15, 2023

CVSS v3.1
9.1
EPSS
1%
Percentile
66.3
In the wild
Unconfirmed
What it is

🚨 A sneaky stack buffer overflow in the Parameter Zone handlers could let an attacker execute code remotely—yikes! 🔥 Think of it like a delivery service that misplaces an entire package onto the wrong shelf, allowing anyone to grab and tamper with whatever's inside. In this case, the attacker gets to meddle with the inner workings of your device without anyone being the wiser! If successful, this vulnerability opens the door for attackers to run any code they want on your device, potentially taking complete control. It’s like giving a stranger the keys to your house—your data, settings, and even sensitive information are all at risk!

Put simply

Think of it like a delivery service that misplaces an entire package onto the wrong shelf, allowing anyone to grab and tamper with whatever's inside. In this case, the attacker gets to meddle with the inner workings of your device without anyone being the wiser! This vulnerability occurs due to improper handling of parameters in the Zone Read and Write command, resulting in a stack buffer overflow that can be exploited for Remote Code Execution (RCE).

What to do

If successful, this vulnerability opens the door for attackers to run any code they want on your device, potentially taking complete control. It’s like giving a stranger the keys to your house—your data, settings, and even sensitive information are all at risk! Immediate steps include patching your device firmware to the latest version provided by the vendor. Additionally, review and harden your security policies to mitigate any further risks related to parameter handling. You've got this! Follow these steps, and you'll lock down your system in no time! 🛡️

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.01137 · 66.3th percentile
Weakness
CWE-121 · Stack-based Buffer Overflow
Published
2023-12-15T11:31Z
EPSS history
Timeline
  • 15 DEC 11:31Z
    Stack Buffer Overflow in a binary run at upgrade startup
    cvelistv5