CVE-2023-5746
Synology Bc500 Firmware remote code execution
- Published25 Oct 2023
Description
A vulnerability regarding use of externally-controlled format string is found in the cgi component. This allows remote attackers to execute arbitrary code via unspecified vectors. The following models with Synology Camera Firmware versions before 1.0.5-0185 may be affected: BC500 and TC500.
CVSS 3.1 breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HAffected products
Remediation
Frequently asked
Is CVE-2023-5746 being actively exploited?
CVE-2023-5746 is not in the CISA KEV catalog. Its EPSS exploit probability is 1.70%.
How severe is CVE-2023-5746?
CVE-2023-5746 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 1.70% probability of exploitation.
Which products are affected by CVE-2023-5746?
Affected products include Synology Bc500 Firmware, Synology Tc500 Firmware.
How do I fix CVE-2023-5746?
Upgrade affected software to a fixed version, for example Synology Bc500 Firmware 1.0.5-0185, Synology Tc500 Firmware 1.0.5-0185 or later, then confirm no affected versions remain in your inventory.
How Secuno handles this
Secuno correlates vulnerabilities like CVE-2023-5746 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.
Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.