CVE-2022-39060: ChangingTec MegaServiSignAdapter - Improper Input Validation

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-01-31 · updated 2026-06-17
Weakness: CWE-20

Description

ChangingTech MegaServiSignAdapter component has a vulnerability of improper input validation. An unauthenticated remote attacker can exploit this vulnerability to access and modify HKEY_CURRENT_USER subkey (ex: AutoRUN) in Registry where malicious scripts can be executed to take control of the system or to terminate the service.

Affected products

ChangingTec MegaServiSignAdapter: before 1.0.22.1004 — fixed in 1.0.22.1004

How to fix

Upgrade to a fixed version: ChangingTec MegaServiSignAdapter 1.0.22.1004. Check the vendor advisory for mitigations.

References

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