CVE-2025-45835

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-45835
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.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/Chinesexilinyu/Netis-WF2880-cgitest.cgi-Null-Pointer-Dereference-Vulnerability/tree/main/1 Exploit Third Party Advisory
https://github.com/Chinesexilinyu/Netis-WF2880-cgitest.cgi-Null-Pointer-Dereference-Vulnerability/tree/main/1 Exploit Third Party Advisory
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:netis-systems:wf2880_firmware:2.1.40207:*:*:*:*:*:*:*
cpe:2.3:h:netis-systems:wf2880:-:*:*:*:*:*:*:*
History

09 Jul 2025, 01:57

Type Values Removed Values Added
References () https://github.com/Chinesexilinyu/Netis-WF2880-cgitest.cgi-Null-Pointer-Dereference-Vulnerability/tree/main/1 - () https://github.com/Chinesexilinyu/Netis-WF2880-cgitest.cgi-Null-Pointer-Dereference-Vulnerability/tree/main/1 - Exploit, Third Party Advisory
CPE cpe:2.3:h:netis-systems:wf2880:-:*:*:*:*:*:*:*
cpe:2.3:o:netis-systems:wf2880_firmware:2.1.40207:*:*:*:*:*:*:*
Summary
  • (es) Se descubrió una vulnerabilidad de desreferencia de puntero nulo en Netis WF2880 v2.1.40207. La vulnerabilidad se encuentra en la función FUN_004904c8 del archivo cgitest.cgi. Los atacantes pueden activar esta vulnerabilidad controlando el valor de la variable de entorno CONTENT_LENGTH, lo que provoca el bloqueo del programa y, potencialmente, un ataque de denegación de servicio (DoS).
First Time Netis-systems wf2880 Firmware
Netis-systems
Netis-systems wf2880

12 May 2025, 22:15

Type Values Removed Values Added
CWE CWE-476
References () https://github.com/Chinesexilinyu/Netis-WF2880-cgitest.cgi-Null-Pointer-Dereference-Vulnerability/tree/main/1 - () https://github.com/Chinesexilinyu/Netis-WF2880-cgitest.cgi-Null-Pointer-Dereference-Vulnerability/tree/main/1 -
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.5

12 May 2025, 14:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-05-12 14:15

Updated : 2025-07-09 01:57

NVD link : CVE-2025-45835

Mitre link : CVE-2025-45835

CVE.ORG link : CVE-2025-45835

JSON object : View

Products Affected

netis-systems

  • wf2880_firmware
  • wf2880
CWE
CWE-476

NULL Pointer Dereference