Vulnerability · CVE-2025-4078

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Published Apr 30, 2026 · corrected/updated Apr 30, 2026 · Wangshen SecGate 3600 · evidence confidence very high

A vulnerability, which was classified as problematic, has been found in Wangshen SecGate 3600 2400. This issue affects some unknown processing of the file ?g=log_export_file. The manipulation of the argument file_name leads to path traversal. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. VulnCheck canary evidence.

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2025-4078 is a unknown public vulnerability record for Wangshen SecGate 3600. CISA lists it as known exploited. Published remediation guidance: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether Wangshen SecGate 3600 is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: Wangshen SecGate 3600. Published remediation guidance: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: EPSS 1.1%. CISA lists it as known exploited. Sources contributing to this record: epss, vulncheck_kev. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

Exploitation evidence
Confirmed in CISA KEV since Apr 30, 2026. Listed in CISA KEV and VulnCheck KEV.
Patch and remediation
Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Safe detection guidance
Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

Apr 30, 2026 · VulnCheck KEV
Detected
A vulnerability, which was classified as problematic, has been found in Wangshen SecGate 3600 2400. This issue affects some unknown processing of the file ?g=log_export_file. The manipulation of the argument file_name leads to path traversal. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. VulnCheck canary evidence.
Apr 30, 2026 · CISA KEV
Known exploited
Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Affected

vendor Wangshen SecGate 3600version unspecified

Sources

FIRST EPSSExploitation probabilityCVE-2025-4078
30-day exploitation probability 1.1%
first.org
VulnCheck KEVConfirmed exploitationCVE-2025-4078
A vulnerability, which was classified as problematic, has been found in Wangshen SecGate 3600 2400. This issue affects some unknown processing of the file ?g=log_export_file. The manipulation of the argument file_name leads to path traversal. The attack may be initiated remotely.
vulncheck.com