Auth bypass in Netis Systems Wf2220
CVE-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 this disclosure but did not respond in any way.
Vulnerability class: Broken Authentication
Published · last modified .
EPSS exploit prediction
EPSS: 0.002 (14.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 14.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Netis Systems Wf2220 — versions 1.2.31706
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cert.pl/posts/2025/05/CVE-2025-3758 (third-party-advisory)
- cert.pl/en/posts/2025/05/CVE-2025-3758 (third-party-advisory)
Frequently asked questions
- What is CVE-2025-3759?
- CVE-2025-3759 is a vulnerability in Netis Systems Wf2220, classified under Missing Authentication for Critical Function. Published 2025-05-08.
- Is CVE-2025-3759 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.