CVE-2022-35522

WAVLINK WN572HP3, WN533A8, WN530H4, WN535G3, WN531P3 adm.cgi has no filtering on parameters: ppp_username, ppp_passwd, rwan_gateway, rwan_mask and rwan_ip…

published August 9, 2022

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

⚠️ A missing filter is the key to this vulnerability! The adm.cgi page of specific WAVLINK devices lets attackers slip in commands through parameters like ppp_username and ppp_passwd, leading to potential command injection. 🔥 Think of it like an unchecked guest list at a party; anyone can walk in and start changing the music or rearranging the furniture because there's no bouncer at the door to verify their identity! This vulnerability allows unauthorized commands to run, creating a ruckus. An attacker could exploit this to run arbitrary commands on the device, potentially compromising its functionality. This could lead to unauthorized access or manipulation of network settings, which could disrupt your entire network. Talk about a party crasher!

Put simply

Think of it like an unchecked guest list at a party; anyone can walk in and start changing the music or rearranging the furniture because there's no bouncer at the door to verify their identity! This vulnerability allows unauthorized commands to run, creating a ruckus. This vulnerability arises due to the lack of input validation on the parameters in the adm.cgi script, allowing attackers to inject malicious commands into the web interface, particularly on the /wan.shtml page.

What to do

An attacker could exploit this to run arbitrary commands on the device, potentially compromising its functionality. This could lead to unauthorized access or manipulation of network settings, which could disrupt your entire network. Talk about a party crasher! To mitigate this risk, ensure you update the device firmware to the latest version provided by WAVLINK. Additionally, consider implementing network segmentation and strong authentication measures to limit access to the management interface. You've got this! By taking these steps, you'll bolster your network's security and send those party crashers packing! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02278 · 83.0th percentile
Published
2022-08-09T19:51Z
EPSS history
Timeline
  • 09 AUG 19:51Z
    WAVLINK WN572HP3, WN533A8, WN530H4, WN535G3, WN531P3 adm.cgi has no filtering on parameters: ppp_username, ppp_passwd, rwan_gateway, rwan_mask and rwan_ip…
    cvelistv5