Wavlink WL-WN579A3 has a CGI script flaw that lets hackers run commands remotely

Summary

A security flaw in the Wavlink WL-WN579A3's wireless settings page can let hackers execute commands on the device from anywhere, potentially allowing them to harm the network or steal data. This is a serious issue, and we recommend immediately updating the device to the latest version to prevent exploitation. The device's manufacturer has not yet responded to a notification about this issue.

What to do

No fix is available yet. Check with your software vendor for updates.

Affected software

Vendor	Product	Affected versions	Fix available
wavlink	wl-wn579a3_firmware	<= 2021-02-19	–

Original title

A vulnerability was identified in Wavlink WL-WN579A3 up to 20210219. Affected by this vulnerability is the function Delete_Mac_list of the file /cgi-bin/wireless.cgi. The manipulation of the argume...

Original description

A vulnerability was identified in Wavlink WL-WN579A3 up to 20210219. Affected by this vulnerability is the function Delete_Mac_list of the file /cgi-bin/wireless.cgi. The manipulation of the argument delete_list leads to command injection. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

nvd CVSS2.0 6.5

nvd CVSS3.1 9.8

nvd CVSS4.0 5.3

Vulnerability type

CWE-74 Injection

CWE-77 Command Injection

https://github.com/MRAdera/IoT-Vuls/blob/main/wavlink/wn579a3/Delete_Mac_list.md Exploit Third Party Advisory
https://vuldb.com/?ctiid.346116 Permissions Required VDB Entry
https://vuldb.com/?id.346116 Third Party Advisory VDB Entry
https://vuldb.com/?submit.748075 Third Party Advisory VDB Entry