CVE-2025-4558: WormHole Tech GPM - Unverified Password Change

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-05-12 · updated 2026-06-17
Weakness: CWE-620

Description

The GPM from WormHole Tech has an Unverified Password Change vulnerability, allowing unauthenticated remote attackers to change any user's password and use the modified password to log into the system.

Affected products

WormHole Tech GPM: before 202502 — fixed in 202502

How to fix

Upgrade to a fixed version: WormHole Tech GPM 202502. Check the vendor advisory for mitigations.

References

https://www.twcert.org.tw/en/cp-139-10115-f5f14-2.html
https://www.twcert.org.tw/tw/cp-132-10114-10b4b-1.html

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