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

CVE-2025-45835 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.4%.

Which versions of Wf2880 Firmware are affected by CVE-2025-45835?

Organizations using Netis WF2880 face notable risk from CVE-2025-45835, a null pointer dereference vulnerability rated CVSS 7.5. Exploitation could compromise the security of affected deployments.

Is there a public PoC exploit available for CVE-2025-45835?

Yes, a public proof-of-concept exploit is available for CVE-2025-45835. Prioritise patching immediately. EPSS: 0.4%.

How to fix or mitigate CVE-2025-45835?

Within 7 days: Identify all affected systems running Netis WF2880 and apply vendor patches promptly. Monitor vendor channels for patch availability.

Wf2880 Firmware CVE-2025-45835

HIGH

NULL Pointer Dereference (CWE-476)

2025-05-12 cve@mitre.org

Denial Of Service Null Pointer Dereference Wf2880 Firmware Netis Systems

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:41 vuln.today

PoC Detected

Jul 09, 2025 - 01:57 vuln.today

Public exploit code

CVE Published

May 12, 2025 - 14:15 nvd

HIGH 7.5

DescriptionCVE.org

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.

AnalysisAI

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 ContextAI

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.

RemediationAI

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.