CVE-2025-50635 — HIGH (7.5)

Vulnerability Description

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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Netis-Systems	Wf2780 Firmware	2.2.35445
Netis-Systems	Wf2780	-

Related Weaknesses (CWE)

CWE-476

References

https://github.com/Chinesexilinyu/Netis-WF2780-cgitest.cgi-Vulnerability/tree/maExploitThird Party Advisory

FAQ

What is CVE-2025-50635?

CVE-2025-50635 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 vulnerabil...

How severe is CVE-2025-50635?

CVE-2025-50635 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-50635?

Check the references section above for vendor advisories and patch information. Affected products include: Netis-Systems Wf2780 Firmware, Netis-Systems Wf2780.