CVE-2024-39349

Name: CVE-2024-39349
Creator: NVD / NIST
Published: 2024-06-28T06:15:05.5+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.44%

Last modified Jun 17, 2026

CVE-2024-39349 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 1.44% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.44%

69.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Synology	Bc500 Firmware	< 1.0.7-0298
Synology	Tc500 Firmware	< 1.0.7-0298

References

https://www.synology.com/en-global/security/advisory/Synology_SA_23_15Vendor Advisory
https://www.synology.com/en-global/security/advisory/Synology_SA_23_15Vendor Advisory

Timeline

Published: Jun 28, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-39349?

How severe is CVE-2024-39349?

CVE-2024-39349 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.44% probability of exploitation in the next 30 days.

How do I fix CVE-2024-39349?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-39349?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST