High 7.2Published Apr 17, 2026

CVE-2026-6483Wavlink WL-WN530H4 internet.cgi snprintf os command injection

Updated under an hour ago (Oct 26, 2026, 1:10 AM ET)

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It affects Wavlink WL-WN530H4. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Wavlink WL-WN530H4

Exploited in the last 30 days

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: 7.2 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
Weakness (CWE): CWE-78, CWE-77
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Apr 17, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Wavlink WL-WN530H4 wavlink:wl-wn530h4_firmware	20220721; 2026.04.16 not affected	CNA record

References

https://vuldb.com/vuln/358021vdb-entry, technical-description
https://vuldb.com/vuln/358021/ctisignature, permissions-required
https://vuldb.com/submit/783055third-party-advisory
https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/vuldb_submission_report.mdexploit
https://dl.wavlink.com/firmware/RD/root_uImage_WN530H4-A_2026.04.16.binpatch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.