CVE-2026-4543: Wavlink WL-WN578W2 POST Request firewall.cgi command injection
Wavlink · WL-WN578W2
Affected: Wavlink WL-WN578W2 · Exploitation: possible (1 to 10%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 93% of scored CVEs
DescriptionCVE.org
A vulnerability was found in Wavlink WL-WN578W2 221110. The impacted element is an unknown function of the file /cgi-bin/firewall.cgi of the component POST Request Handler. Performing a manipulation of the argument dmz_flag/del_flag results in command injection. It is possible to initiate the attack remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Wavlink · WL-WN578W2221110
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Possible (1 to 10%). EPSS between 1% and 10%.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- Wavlink
- Published
- March 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-4543 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.