🛡️ CVE-2024-39349 — bc500-firmware

🔴 CVSS 9.8 — Critical ✅ No Known Exploit CWE-120 NVD
9.8
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2024-39349 is classified as CWE-120: Classic Buffer Overflow. Input is copied into a fixed-size buffer without a length check, overwriting memory past the end of it.

Affected software

CVE-2024-39349 is recorded against 2 packages.

  • bc500-firmware (fixed in 1.0.7-0298)
  • tc500-firmware (fixed in 1.0.7-0298)

Timeline and source

Published on 28 June 2024 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

www.synology.com
www.synology.com

Details

Severity CRITICAL
CVSS Score 9.8
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-120
Public Exploit ✅ No
Source NVD
Published 2024-06-28
Updated 2026-08-11
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
bc500-firmware — 1.0.7-0298
tc500-firmware — 1.0.7-0298

Similar Threats

Exploit Protection

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CVE-2024-39349 carries CVSS 9.8 Critical rating. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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