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Vulnerabilities

Vulnerability · CVE-2026-4164

A flaw has been found in Wavlink WL-WN578W2 221110.

Published Mar 16, 2026 · catalog updated Jun 17, 2026 · A flaw has been

Check if you run it

No confirmed exploitation is on record for CVE-2026-4164. EPSS is 3.71%. Act only if a listed version of A flaw has been is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (A flaw has been).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
3.71%
Remediation
Not established
Affected products
See sources for product scope

A flaw has been found in Wavlink WL-WN578W2 221110. Impacted is the function Delete_Mac_list/SetName/GuestWifi of the file /cgi-bin/wireless.cgi of the component POST Request Handler. Executing a manipulation can lead to command injection. It is possible to launch the attack remotely. The exploit has been published and may be used. It is recommended to upgrade the affected component.

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2026-4164

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-4164. EPSS is 3.71%. Act only if a listed version of A flaw has been is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-74: Injection; CWE-77: Command Injection. EPSS 3.71%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 16, 2026 · NIST NVD

    Detected

    A flaw has been found in Wavlink WL-WN578W2 221110. Impacted is the function Delete_Mac_list/SetName/GuestWifi of the file /cgi-bin/wireless.cgi of the component POST Request Handler. Executing a manipulation can lead to command injection. It is possible to launch the attack remotely. The exploit has been published and may be used. It is recommended to upgrade the affected component.

  2. Jun 17, 2026 · NIST NVD

    Updated

    A flaw has been found in Wavlink WL-WN578W2 221110. Impacted is the function Delete_Mac_list/SetName/GuestWifi of the file /cgi-bin/wireless.cgi of the component POST Request Handler. Executing a manipulation can lead to command injection. It is possible to launch the attack remotely. The exploit has been published and may be used. It is recommended to upgrade the affected component.

Sources

  • CVE.orgVulnerability recordCVE-2026-4164

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-4164

    30-day exploitation probability 3.7%

    first.org
  • NIST NVDVulnerability recordCVE-2026-4164

    A flaw has been found in Wavlink WL-WN578W2 221110. Impacted is the function Delete_Mac_list/SetName/GuestWifi of the file /cgi-bin/wireless.cgi of the component POST Request Handler. Executing a manipulation can lead to command injection. It is possible to launch the attack remo

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.