CVE-2026-6483highCWE-77CWE-78

CVE-2026-6483: high-severity vulnerability in Wavlink WL-WN530H4

Wavlink WL-WN530H4 internet.cgi snprintf os command injection

Published

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

46Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 8.6epss 13%
A vulnerability was found in Wavlink WL-WN530H4 20220721. This vulnerability affects the function strcat/snprintf of the file /cgi-bin/internet.cgi. The manipulation results in os command injection. It is possible to launch the attack remotely. The exploit has been made public and could be used. Upgrading to version 2026.04.16 is able to resolve this issue. Upgrading the affected component is recommended.
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Affected products
Wavlink · WL-WN530H4
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.