CVE-2023-52277: Royalapps Royaltsx

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

Royal RoyalTSX before 6.0.2.1 allows attackers to cause a denial of service (Heap Memory Corruption and application crash) or possibly have unspecified other impact via a long hostname in an RTSZ file, if the victim clicks on Test Connection. This occurs during SecureGatewayHost object processing in RAPortCheck.createNWConnection.

Affected products

• Royalapps Royaltsx: before 6.0.2.1 (fixed in 6.0.2.1)

Published 2023-12-31. Last modified 2026-06-17.