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Vulnerabilities

Vulnerability · CVE-2025-3759

Missing Authentication for Critical Function

Published May 8, 2025 · catalog updated Oct 1, 2026 · Netis Systems WF2220

Patch now

CVE-2025-3759 is in the CISA known-exploited catalog. Confirm Netis Systems WF2220 against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
High8.7
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
0.26%
Remediation
Remediation guidance
Affected products
vendor Netis Systems WF2220 · vendor Netis Systems WF2220 1.2.31706

Endpoint /cgi-bin-igd/netcore_set.cgi which is used for changing device configuration is accessible without authentication. This poses a significant security threat allowing for e.g: administrator account hijacking or AP password changing. The vendor was contacted early about this disclosure but did not respond in any way.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Netis Systems WF2220version unspecified
  • vendor Netis Systems WF2220 1.2.317061.2.31706

How to fix CVE-2025-3759

What to do

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

Should you patch?

CVE-2025-3759 is in the CISA known-exploited catalog. Confirm Netis Systems WF2220 against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with Netis Systems WF2220 1.2.31706 1.2.31706. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 0.26%. The CISA KEV listing is the exploitation evidence. 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.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 1, 2026 · VulnCheck KEV

    Detected

    Endpoint /cgi-bin-igd/netcore_set.cgi which is used for changing device configuration is accessible without authentication. This poses a significant security threat allowing for e.g: administrator account hijacking or AP password changing. The vendor was contacted early about this disclosure but did not respond in any way.

  2. Oct 1, 2026 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Sources

  • CVE.orgVulnerability recordCVE-2025-3759

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-3759

    30-day exploitation probability 0.3%

    first.org
  • EUVDVulnerability recordEUVD-2025-13994

    Endpoint /cgi-bin-igd/netcore_set.cgi which is used for changing device configuration is accessible without authentication. This poses a significant security threat allowing for e.g: administrator account hijacking or AP password changing. The vendor was contacted early about thi

    euvd.enisa.europa.eu
  • VulnCheck KEVConfirmed exploitationCVE-2025-3759

    Endpoint /cgi-bin-igd/netcore_set.cgi which is used for changing device configuration is accessible without authentication. This poses a significant security threat allowing for e.g: administrator account hijacking or AP password changing. The vendor was contacted early about thi

    vulncheck.com

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.