CVE-2025-45835
HIGHCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
3Description
A null pointer dereference vulnerability was discovered in Netis WF2880 v2.1.40207. The vulnerability exists in the FUN_004904c8 function of the cgitest.cgi file. Attackers can trigger this vulnerability by controlling the environment variable value CONTENT_LENGTH, causing the program to crash and potentially leading to a denial-of-service (DoS) attack.
Analysis
A null pointer dereference vulnerability was discovered in Netis WF2880 v2.1.40207. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Technical Context
This vulnerability is classified as NULL Pointer Dereference (CWE-476), which allows attackers to crash the application by dereferencing a null pointer. A null pointer dereference vulnerability was discovered in Netis WF2880 v2.1.40207. The vulnerability exists in the FUN_004904c8 function of the cgitest.cgi file. Attackers can trigger this vulnerability by controlling the environment variable value CONTENT_LENGTH, causing the program to crash and potentially leading to a denial-of-service (DoS) attack. Affected products include: Netis-Systems Wf2880 Firmware.
Affected Products
Netis-Systems Wf2880 Firmware.
Remediation
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Check pointers before dereferencing. Use static analysis tools to detect null pointer paths.
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External POC / Exploit Code
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