CVE-2022-35537

WAVLINK WN572HP3, WN533A8, WN530H4, WN535G3, WN531P3 wireless.cgi has no filtering on parameters: mac_5g and Newname, which leads to command injection in page…

published August 9, 2022

CVSS
—
EPSS
2%
Percentile
82.5
In the wild
Unconfirmed
What it is

🚨 A command injection vulnerability lurks in WAVLINK's routers, thanks to parameter filtering that's about as robust as a wet paper bag! ⚠️ Think of it like a restaurant where the chef cooks whatever the waiter brings, without checking the order — if someone sends in a ‘secret recipe’ to make a dish loaded with surprises, you can imagine the chaos that follows! An attacker could exploit this by injecting malicious commands into the wireless configuration page, potentially compromising the device or the network it's connected to. This could lead to unauthorized access, data exfiltration, or even turning your router into an unwitting participant in a wider attack.

Put simply

Think of it like a restaurant where the chef cooks whatever the waiter brings, without checking the order — if someone sends in a ‘secret recipe’ to make a dish loaded with surprises, you can imagine the chaos that follows! The flaw arises from a lack of input filtering on the 'mac_5g' and 'Newname' parameters in the /wifi_mesh.shtml page, allowing attackers to run arbitrary commands on the server.

What to do

An attacker could exploit this by injecting malicious commands into the wireless configuration page, potentially compromising the device or the network it's connected to. This could lead to unauthorized access, data exfiltration, or even turning your router into an unwitting participant in a wider attack. To mitigate this vulnerability, ensure you patch your WAVLINK devices to the latest firmware version that addresses this issue. Review your router's security settings regularly and restrict access to the device management interface to trusted users only. You've got this! Fixing this vulnerability will help keep your network safe and sound! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02214 · 82.5th percentile
Published
2022-08-09T19:07Z
EPSS history
Timeline
  • 09 AUG 19:07Z
    WAVLINK WN572HP3, WN533A8, WN530H4, WN535G3, WN531P3 wireless.cgi has no filtering on parameters: mac_5g and Newname, which leads to command injection in page…
    cvelistv5