Is CVE-2025-45835 actively exploited?

CVE-2025-45835 has no public evidence of in-the-wild exploitation as of 2025-07-09.

What is the CVSS score for CVE-2025-45835?

CVE-2025-45835 has a CVSS score of 7.5 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

How do I patch CVE-2025-45835?

Patch guidance is available from netis-systems security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-45835.

Which products are affected by CVE-2025-45835?

1 product: netis-systems wf2880 firmware.

Fix CVE-2025-45835 - HIGH netis-systems wf2880 firmware

Description

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
Weaknesses: CWE-476 · NULL Pointer Dereference

Metadata

Primary Vendor: NETIS-SYSTEMS
Published: 5/12/2025
Last Modified: 7/9/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2025-45835

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary