The diagnosis_control.php page in Fortinet FortiWan (formerly AscernLink) before 4.2.5…
Priority LOW 33CWE-287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
The diagnosis_control.php page in Fortinet FortiWan (formerly AscernLink) before 4.2.5 allows remote authenticated users to download PCAP files via vectors related to the UserName GET parameter.
Why it matters now
EPSS 0.02202 82nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2016-4966
- 2026-10-03 Alias added: GHSA-v79j-4rww-97r8
References
More Fortinet Fortiwan vulnerabilities
- TI-2021-08052 Authentication bypass in Fortinet FortiWAN CVSS 3.1CRITICAL 9.8
- TI-2021-08064 SQL injection in Fortinet FortiWAN CVSS 3.1CRITICAL 9.8
- TI-2021-08062 Out-of-bounds write in Fortinet FortiWAN CVSS 3.1CRITICAL 9.8
- TI-2016-04287 Fortinet FortiWan (formerly AscernLink) before 4.2.5 allows remote authenticated users… CVSS 3.0HIGH 8.8
- TI-2022-14879 OS command injection in Fortinet FortiWAN CVSS 3.1HIGH 8.8
- TI-2021-06326 OS command injection in Fortinet FortiWAN CVSS 3.1HIGH 8.8
Sources
- CVE-2016-4966 · CVE Program
- CVE-2016-4966 · NVD
- FIRST EPSS
- GHSA-v79j-4rww-97r8 · GitHub Advisory Database · CC BY 4.0
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