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Vulnerability record · CVE-2025-50635 · published 13 August 2025

CVE-2025-50635: Netis-systems wf2780 firmware null pointer dereference vulnerability

Netis Systems · Wf2780 Firmware

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.

7.5 CVSS 3.1 High EPSS 0.40% · top 68.1% CWE-476 · NULL pointer dereference
7.5CVSS 3.1 base score
0.40%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References, 1 tagged exploit
17 Jun 2026Last modified by NVD

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/Chinesexilinyu/Netis-WF2780-cgitest.cgi-Vulnerability/tree/main/1 ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2024-25850Netis-systems wf2780 firmware command injection vulnerabilityNetis WF2780 v2.1.40144 was discovered to contain a command injection vulnerability via the wps_ap_ssid5g parameterEPSS 19%9.8CVE-2021-26747Netis router ping command shell metacharacter injection RCENetis WF2780 and WF2411 firmware pass unsanitized input into the ping command, allowing shell metacharacter injection. Because the flaw is reachable …EPSS 55%analysed8.0CVE-2024-25851Netis-systems wf2780 firmware os command injection vulnerabilityNetis WF2780 v2.1.40144 was discovered to contain a command injection vulnerability via the config_sequence parameter in other_para of cgitest.cgi.EPSS 1.9%6.2CVE-2026-21525Windows Remote Access Connection Manager null pointer dereference DoSWindows Remote Access Connection Manager contains a null pointer dereference (CWE-476) that lets an unauthorized attacker deny service locally. The f…KEVEPSS 4.8%analysed

Source: NIST National Vulnerability Database (record CVE-2025-50635), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.