What’s Vulnerable › Vulnerabilities

CVE-2022-39061: ChangingTec MegaServiSignAdapter - Out-of-bounds Read

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% 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-125

Description

ChangingTech MegaServiSignAdapter component has a vulnerability of Out-of-bounds Read due to insufficient validation for parameter length. An unauthenticated remote attacker can exploit this vulnerability to access partial sensitive content in memory and disrupts partial services.

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

• https://www.twcert.org.tw/tw/cp-132-6888-b5f81-1.html
• https://www.twcert.org.tw/tw/cp-132-6888-b5f81-1.html

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