CVE-2022-35534

WAVLINK WN572HP3, WN533A8, WN530H4, WN535G3, WN531P3 wireless.cgi has no filtering on parameter hiddenSSID32g and SSID2G2, which leads to command injection in…

published August 9, 2022

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

⚠️ A crafty attacker could slip in commands through unchecked inputs! The WAVLINK WN572HP3 and its friends don't filter the hiddenSSID32g and SSID2G2 parameters, leaving the door wide open. 🔥 Think of this as a restaurant that allows orders without checking if they’re on the menu — a diner could request anything, including dessert for breakfast! This flaw lets an attacker inject commands just like a diner ordering something that shouldn’t be possible. With this command injection vulnerability, an attacker could potentially run arbitrary commands on the device. That means gaining control over the router, altering settings, or even intercepting traffic — yikes! Your network could become a playground for mischief.

Put simply

Think of this as a restaurant that allows orders without checking if they’re on the menu — a diner could request anything, including dessert for breakfast! This flaw lets an attacker inject commands just like a diner ordering something that shouldn’t be possible. The vulnerability exists in the wireless.cgi script of the WAVLINK routers, where the parameters hiddenSSID32g and SSID2G2 lack proper input validation, allowing for command injection when accessed via the /wifi_multi_ssid.shtml page.

What to do

With this command injection vulnerability, an attacker could potentially run arbitrary commands on the device. That means gaining control over the router, altering settings, or even intercepting traffic — yikes! Your network could become a playground for mischief. To remediate this, update the firmware on your WAVLINK devices as soon as new patches are available. Ensure that you also implement strict input validation on server-side scripts to prevent similar issues. Regularly check for updates and security bulletins from the manufacturer! This is fixable! Stay proactive, follow these steps, and you’ll keep your network secure and sound. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02278 · 83.0th percentile
Published
2022-08-09T19:34Z
EPSS history
Timeline
  • 09 AUG 19:34Z
    WAVLINK WN572HP3, WN533A8, WN530H4, WN535G3, WN531P3 wireless.cgi has no filtering on parameter hiddenSSID32g and SSID2G2, which leads to command injection in…
    cvelistv5