NULL pointer dereference in Netis-Systems Wf2780

CVE-2025-50635

A null pointer dereference vulnerability was discovered in Netis WF2780 v2.2.35445. The vulnerability exists in the FUN_0048a728 function of the cgitest.cgi file. Attackers can trigger this vulnerability by controlling the CONTENT_LENGTH variable, causing the program to crash and potentially leading to a denial-of-service (DoS) attack.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.004 (32.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-50635: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-50635?
CVE-2025-50635 is a high-severity vulnerability in Netis-Systems Wf2780, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2025-08-13.
How severe is CVE-2025-50635?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2025-50635 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.