CVE-2022-35524

WAVLINK WN572HP3, WN533A8, WN530H4, WN535G3, WN531P3 adm.cgi has no filtering on parameters: wlan_signal, web_pskValue, sel_EncrypTyp, sel_Automode…

published August 9, 2022

CVSS
—
EPSS
2%
Percentile
83.0
In the wild
Unconfirmed
What it is

⚡ A command injection vulnerability lurks in several WAVLINK models, where unfiltered parameters let attackers take control — think of it as a menu that lets diners order anything they want, even if it’s not on the list! 🍽️ Imagine a restaurant where the waitstaff takes any order without checking if it's on the menu. That’s exactly what's happening here — attackers can slip in commands through parameters that should be controlled, potentially compromising the entire system! An attacker could exploit this vulnerability to execute arbitrary commands on the device, leading to unauthorized access and potentially severe disruptions. This could mean everything from changing settings to fully controlling the device, which is nothing short of a digital nightmare!

Put simply

Imagine a restaurant where the waitstaff takes any order without checking if it's on the menu. That’s exactly what's happening here — attackers can slip in commands through parameters that should be controlled, potentially compromising the entire system! This vulnerability arises from the 'adm.cgi' script in WAVLINK devices, which fails to filter user input on several parameters, allowing command injection in the '/wizard_rep.shtml' page. Essentially, it lets malicious commands slide right in without any checks.

What to do

An attacker could exploit this vulnerability to execute arbitrary commands on the device, leading to unauthorized access and potentially severe disruptions. This could mean everything from changing settings to fully controlling the device, which is nothing short of a digital nightmare! To mitigate this risk, it's crucial to update the firmware on your WAVLINK devices to the latest version as soon as available. Additionally, consider implementing input validation to ensure only safe commands are accepted. Regularly audit your device settings for any unauthorized changes! You've got this! With a quick firmware update and some vigilant maintenance, you can bolster your defenses and keep your network safe! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02278 · 83.0th percentile
Published
2022-08-09T19:49Z
EPSS history
Timeline
  • 09 AUG 19:49Z
    WAVLINK WN572HP3, WN533A8, WN530H4, WN535G3, WN531P3 adm.cgi has no filtering on parameters: wlan_signal, web_pskValue, sel_EncrypTyp, sel_Automode…
    cvelistv5