CVE-2026-6483

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

7.3CVSS: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

CVSS 3.1

7.2CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS

13% chance of exploitation in the next 30 days; higher than 96% of CVEs (scores of 2026-10-25)

CWEs

CWE-77, CWE-78

Published

2026-04-17

Modified

2026-10-25

Record from

the NVD, synced 2026-10-25

References

• 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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