A vulnerability regarding use of externally-controlled format string is found in the cgi…
Priority MEDIUM 53CWE-134Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-134 and the CVSS impact.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.02253 83rd percentileScored 2026-11-07
Fix Fixed Camera Firmware (Synology): 1.0.5-0185
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Synology | Camera Firmware | 1.0 to before 1.0.5-0185 | 1.0.5-0185 | Patch available | CNA |
- Camera Firmware VendorSynology Affected 1.0 to before 1.0.5-0185 Fixed in 1.0.5-0185 Patch available CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:synology:bc500_firmware:*:*:*:*:*:*:*:* | before 1.0.5-0185 | Vulnerable | Synology |
| cpe:2.3:h:synology:bc500:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Synology |
| cpe:2.3:o:synology:tc500_firmware:*:*:*:*:*:*:*:* | before 1.0.5-0185 | Vulnerable | Synology |
| cpe:2.3:h:synology:tc500:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Synology |
- cpe:2.3:o:synology:bc500_firmware:*:*:*:*:*:*:*:* Versions before 1.0.5-0185 Vulnerable ·Synology
- cpe:2.3:h:synology:bc500:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Synology
- cpe:2.3:o:synology:tc500_firmware:*:*:*:*:*:*:*:* Versions before 1.0.5-0185 Vulnerable ·Synology
- cpe:2.3:h:synology:tc500:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Synology
Remediation
- Fix · CNA Camera Firmware (Synology) Fixed in 1.0.5-0185
Timeline
- 2026-10-02 Threatist record created from CVE-2023-5746
- 2026-10-03 Alias added: GHSA-w7rp-q53m-mxf8
References
Advisory 1
More Synology Bc500 Firmware vulnerabilities
- TI-2024-26302 Buffer overflow in Synology Camera Firmware CVSS 3.1CRITICAL 9.8
- TI-2024-10315 Out-of-bounds read in Synology Camera Firmware CVSS 3.1CRITICAL 9.8
- TI-2024-26304 OS command injection in Synology Camera Firmware CVSS 3.1HIGH 7.2
- TI-2023-25910 OS command injection in Synology Camera Firmware CVSS 3.1HIGH 7.2
- TI-2024-26303 Authentication bypass by spoofing in Synology Camera Firmware CVSS 3.1HIGH 7.5
- TI-2024-05077 Buffer overflow in Synology Camera Firmware CVSS 3.1MEDIUM 6.5
Sources
- CVE-2023-5746 · CVE Program
- CVE-2023-5746 · NVD
- FIRST EPSS
- GHSA-w7rp-q53m-mxf8 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences