HOMEVULNERABILITIESCVE-2016-8731
CRITICAL

CVE-2016-8731

CWE-798Published: June 21, 2017· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

Hard-coded FTP credentials (r:r) are included in the Foscam C1 running firmware 1.9.1.12. Knowledge of these credentials would allow remote access to any cameras found on the internet that do not have port 50021 blocked by an intermediate device.

NVD Source

Technical Analysis

CVE-2016-8731 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

foscam2 product(s)
c1 webcam firmwarec1 webcam
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://www.securityfocus.com/bid/99193
ADVISORYhttps://www.talosintelligence.com/vulnerability_reports/TALOS-2016-0245
ADVISORYhttp://www.securityfocus.com/bid/99193
ADVISORYhttps://www.talosintelligence.com/vulnerability_reports/TALOS-2016-0245

All References (4)

→
http://www.securityfocus.com/bid/99193Broken Link · Third Party Advisory · VDB Entry
→
https://www.talosintelligence.com/vulnerability_reports/TALOS-2016-0245Third Party Advisory
→
http://www.securityfocus.com/bid/99193Broken Link · Third Party Advisory · VDB Entry
→
https://www.talosintelligence.com/vulnerability_reports/TALOS-2016-0245Third Party Advisory

Quick Facts

CVE IDCVE-2016-8731
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-798
CISA KEVNo
Affected1 vendor(s)
PublishedJun 21, 2017

Related CVEs (CWE-798)

CVE-2025-7503
10.0
CVE-2017-2343
10.0
CVE-2025-48748
10.0
CVE-2026-45336
10.0
CVE-2026-13768
10.0
CVE-2020-6963
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2016-8731 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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