Wavlink WL-WN530H4 internet.cgi snprintf os command injection
46Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 8.6epss 14%
exploitation probability
14%top 4% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
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-WN530H4public PoCs found — 1
cve_referencegithub.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/vuldb_submission_report.mdunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.