Buffer overflow in Foscam Indoor IP Camera C1 Series
Priority LOW 39CWE-120Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.
Summary
An exploitable buffer overflow vulnerability exists in the DDNS client used by the Foscam C1 Indoor HD Camera running application firmware 2.52.2.43. On devices with DDNS enabled, an attacker who is able to intercept HTTP connections will be able to fully compromise the device by creating a rogue HTTP server.
Why it matters now
EPSS 0.0166 76th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Foscam | Foscam Indoor IP Camera C1 Series | System Firmware Version: 1.9.3.18,Application Firmware Version: 2.52.2.43,Plug-In Version: 3.3.0.26 | — | No fix listed | CNA |
- Foscam Indoor IP Camera C1 Series VendorFoscam Affected System Firmware Version: 1.9.3.18,Application Firmware Version: 2.52.2.43,Plug-In Version: 3.3.0.26 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-2856
- 2026-10-03 Alias added: GHSA-pcfp-7jjr-h74h
References
More Foscam C1 Firmware vulnerabilities
- TI-2017-02097 Improper handling of exceptional conditions in Foscam C1 Indoor HD Camera CVSS 3.1CRITICAL 9.8
- TI-2017-02095 Buffer overflow in Foscam C1 Indoor HD Camera CVSS 3.1CRITICAL 9.1
- TI-2017-02093 OS command injection in Foscam C1 Indoor HD Camera CVSS 3.1HIGH 7.2
- TI-2017-02091 Improper authentication in Talos Foscam CVSS 3.1HIGH 8.8
- TI-2017-02054 Command injection in Foscam Indoor IP Camera CVSS 3.1HIGH 7.5
- TI-2017-02053 Command injection in Foscam Indoor IP Camera CVSS 3.1HIGH 7.2
Sources
- CVE-2017-2856 · CVE Program
- CVE-2017-2856 · NVD
- FIRST EPSS
- GHSA-pcfp-7jjr-h74h · 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