CVE-2024-39349: Synology BC500 Firmware

Critical severity, CVSS 9.8. EPSS: 1.4% chance of exploitation in the next 30 days.

A vulnerability regarding buffer copy without checking size of input ('Classic Buffer Overflow') is found in the libjansson component and it does not affect the upstream library. This allows remote attackers to execute arbitrary code via unspecified vectors. The following models with Synology Camera Firmware versions before 1.0.7-0298 may be affected: BC500 and TC500.

Affected products

• Synology BC500 Firmware: before 1.0.7-0298 (fixed in 1.0.7-0298)
• Synology TC500 Firmware: before 1.0.7-0298 (fixed in 1.0.7-0298)

Published 2024-06-28. Last modified 2026-06-17.