Cyber Resilience

CVE-2025-50635

HighPublic PoC

Published: 13 August 2025

Published
13 August 2025
Modified
15 August 2025
KEV Added
Patch
CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0040 61.1th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-50635 is a high-severity NULL Pointer Dereference (CWE-476) vulnerability in Netis-Systems Wf2780 Firmware. Its CVSS base score is 7.5 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Application or System Exploitation (T1499.004); ranked in the top 38.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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…

more

to a denial-of-service (DoS) attack.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1499.004 Application or System Exploitation Impact
Adversaries may exploit software vulnerabilities that can cause an application or system to crash and deny availability to users.
Why these techniques?

The vulnerability is a null pointer dereference in cgitest.cgi triggered by controlling CONTENT_LENGTH, causing a crash and DoS, which maps to Endpoint Denial of Service via application exploitation.

Affected Assets

netis-systems
wf2780 firmware
2.2.35445

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References