CVE-2026-6483

Wavlink WL-WN530H4 internet.cgi snprintf os command injection

CVSS 8.6 HIGHEPSS 14.1%CWE-77 CWE-78

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

Productos afectados

Wavlink · WL-WN530H4

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Referencias

https://dl.wavlink.com/firmware/RD/root_uImage_WN530H4-A_2026.04.16.bin https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/vuldb_submission_report.md https://vuldb.com/submit/783055 https://vuldb.com/vuln/358021 https://vuldb.com/vuln/358021/cti