CVE-2024-5463: Synology BC500 Firmware

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

A vulnerability regarding buffer copy without checking the size of input ('Classic Buffer Overflow') has been found in the login component. This allows remote attackers to write specific files containing non-sensitive information and conduct limited denial-of-service attacks via unspecified vectors. This attack only affects the login service which will automatically restart. The following models with Synology Camera Firmware versions before 1.1.1-0383 may be affected: BC500 and TC500.

Affected products

• Synology BC500 Firmware: before 1.1.1-0383 (fixed in 1.1.1-0383)
• Synology TC500 Firmware: before 1.1.1-0383 (fixed in 1.1.1-0383)

Published 2024-06-04. Last modified 2026-06-17.