What’s Vulnerable › Vulnerabilities

CVE-2025-46419

• Severity: medium (CVSS 5.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-04-24 · updated 2026-06-17
• Weakness: CWE-1286

Description

Westermo WeOS 5 through 5.23.0 allows a reboot via a malformed ESP packet.

Affected products

• Westermo WeOS: from 5 before 5.24.0 — fixed in 5.24.0

How to fix

Upgrade to a fixed version: Westermo WeOS 5.24.0. Check the vendor advisory for mitigations.

References

• https://www.westermo.com/-/media/Files/Cyber-security/westermo_sa_25-02_malformed_esp_packet_could_cause_denial_vulnerability_in_weos.pdf?rev=9af5c93194f343a0b4fad2d24d032df2&hash=87F4AD7F74C2BE69CA1B4C24F29B82EA

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