CVE-2025-3886: CatoNetworks CatoClient up to 5.8 PrivilegedHelperTool Race Condition

Severity: high (CVSS 8.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-04-27 · updated 2026-06-17
Weakness: CWE-362

Description

An issue in CatoNetworks CatoClient before v.5.8.0 allows attackers to escalate privileges and achieve a race condition (TOCTOU) via the PrivilegedHelperTool component.

Affected products

Cato Networks SDP Client: before 5.8.0 — fixed in 5.8.0

How to fix

Upgrade to a fixed version: Cato Networks SDP Client 5.8.0. Check the vendor advisory for mitigations.

References

https://support.catonetworks.com/hc/en-us/articles/26903049677597-Security-Vulnerability-CVE-2025-3886-that-Impacts-macOS-Client-Versions-Lower-than-5-8

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