CVE-2024-10442: Syncology Replication Service

Critical severity, CVSS 10.0. EPSS: 1.4% chance of exploitation in the next 30 days.

Off-by-one error vulnerability in the transmission component in Synology Replication Service before 1.0.12-0066, 1.2.2-0353 and 1.3.0-0423 and Synology Unified Controller (DSMUC) before 3.1.4-23079 allows remote attackers to execute arbitrary code, potentially leading to a broader impact across the system via unspecified vectors.

Affected products

• Syncology Replication Service: before 1.3.0-0423 (fixed in 1.3.0-0423)
• Synology Replication Service: up to and including 1.0.12-0066; before 1.2.2-0353 (fixed in 1.2.2-0353)
• Synology Unified Controller: before 3.1.4-23079 (fixed in 3.1.4-23079)

Published 2025-03-19. Last modified 2026-06-17.