What’s Vulnerable › Vulnerabilities

CVE-2024-39349

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-06-28 · updated 2026-06-17
• Weakness: CWE-120

Description

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

How to fix

Upgrade to a fixed version: Synology Bc500 Firmware 1.0.7-0298; Synology Tc500 Firmware 1.0.7-0298. Check the vendor advisory for mitigations.

References

• https://www.synology.com/en-global/security/advisory/Synology_SA_23_15
• https://www.synology.com/en-global/security/advisory/Synology_SA_23_15

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