Vulnerability record · CVE-2026-6483 · published 17 April 2026

CVE-2026-6483: Command injection vulnerability

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.

7.3 CVSS 4.0 High EPSS 3.2% · top 12.4% CWE-77 · Command injectionCWE-78 · OS command injection Deferred

7.3CVSS 4.0 base score, v2 8.3

3.2%EPSS exploitation probability, 30 days

NoNot in CISA KEV

0Affected product versions listed by NVD

5References

17 Jun 2026Last modified by NVD

Description

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

Link	Tags
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

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Source: NIST National Vulnerability Database (record CVE-2026-6483), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.