CVE-2025-45835: netis-systems wf2880_firmware NULL Pointer Dereference
Vulnerability summary
CVE-2025-45835 is a high (CVSS 7.5) NULL Pointer Dereference vulnerability in netis-systems wf2880_firmware. EPSS estimates a 0.49% chance of exploitation in the next 30 days, higher than 42.4% of scored vulnerabilities. 1 public exploit is recorded.
Public exploit (GitHub, Date unknown)
Source freshness unavailable
How is this decided?Timeline
- 12-05-2025PublishedVulnerability first disclosed.
- 12-05-2025Last modifiedVulnerability information updated.
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
2 scores · 2 sources · 1 version- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.49%
Chance of exploitation in the next 30 days
Percentile
42%
Versus all other CVEs
30-day change
Increase +0.02 pp
From 0.47% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
1 foundNetis Wf2880 Cgitest.Cgi Null Pointer Dereference Vulnerability
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Netis-systems1 product
- wf2880_firmware2.1.40207
1 vendor · 1 product