CVE-2016-8731

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-13. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 3%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
83.8%
KEV
Not listed

Published

June 21, 2017

Last Modified

May 13, 2026

Advisory Details (2)

Auto-updated May 18, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

TALOS-2016-0245 || Cisco Talos Intelligence Group - Comprehensive Threat Intelligence

https://www.talosintelligence.com/vulnerability_reports/TALOS-2016-0245
generic
http://www.securityfocus.com/bid/99193

Data Freshness Timeline

(refreshed 10× in last 7d / 37× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-07 13:42 UTCEPSS rescore
  2. 2026-07-06 16:24 UTCEPSS rescore
  3. 2026-07-06 16:24 UTCEPSS rescore
  4. 2026-07-06 02:20 UTCEPSS rescore
  5. 2026-07-06 02:20 UTCEPSS rescore
  6. 2026-07-05 02:27 UTCEPSS rescore
  7. 2026-07-04 06:28 UTCEPSS rescore
  8. 2026-07-01 15:02 UTCEPSS rescore
  9. 2026-06-30 23:19 UTCEPSS rescore
  10. 2026-06-30 23:19 UTCEPSS rescore
  11. 2026-06-29 14:03 UTCEPSS rescore
  12. 2026-06-28 14:04 UTCEPSS rescore
  13. 2026-06-28 04:53 UTCEPSS rescore
  14. 2026-06-27 03:05 UTCEPSS rescore
  15. 2026-06-25 13:47 UTCEPSS rescore
  16. 2026-06-24 14:02 UTCEPSS rescore
  17. 2026-06-23 21:30 UTCEPSS rescore
  18. 2026-06-22 14:23 UTCEPSS rescore
  19. 2026-06-21 14:54 UTCEPSS rescore
  20. 2026-06-21 14:54 UTCEPSS rescore
  21. 2026-06-21 01:57 UTCEPSS rescore
  22. 2026-06-21 01:57 UTCEPSS rescore
  23. 2026-06-19 19:23 UTCEPSS rescore
  24. 2026-06-19 19:23 UTCEPSS rescore
  25. 2026-06-18 17:50 UTCEPSS rescore
Show 59 more
  1. 2026-06-18 17:50 UTCEPSS rescore
  2. 2026-06-17 17:50 UTCEPSS rescore
  3. 2026-06-17 17:50 UTCEPSS rescore
  4. 2026-06-16 17:50 UTCEPSS rescore
  5. 2026-06-15 17:45 UTCEPSS rescore
  6. 2026-06-14 23:14 UTCEPSS rescore
  7. 2026-06-14 23:14 UTCEPSS rescore
  8. 2026-06-13 22:57 UTCEPSS rescore
  9. 2026-06-13 22:57 UTCEPSS rescore
  10. 2026-06-12 23:09 UTCEPSS rescore
  11. 2026-06-11 13:57 UTCEPSS rescore
  12. 2026-06-08 14:14 UTCEPSS rescore
  13. 2026-06-07 15:22 UTCEPSS rescore
  14. 2026-06-07 15:22 UTCEPSS rescore
  15. 2026-06-06 13:45 UTCEPSS rescore
  16. 2026-06-06 13:45 UTCEPSS rescore
  17. 2026-06-05 22:44 UTCEPSS rescore
  18. 2026-06-05 06:08 UTCEPSS rescore
  19. 2026-06-05 06:08 UTCEPSS rescore
  20. 2026-06-04 13:10 UTCEPSS rescore
  21. 2026-06-04 13:10 UTCEPSS rescore
  22. 2026-06-02 20:10 UTCEPSS rescore
  23. 2026-06-01 13:49 UTCEPSS rescore
  24. 2026-06-01 13:49 UTCEPSS rescore
  25. 2026-05-31 22:28 UTCEPSS rescore
  26. 2026-05-31 22:28 UTCEPSS rescore
  27. 2026-05-31 00:14 UTCEPSS rescore
  28. 2026-05-29 13:41 UTCEPSS rescore
  29. 2026-05-28 13:42 UTCEPSS rescore
  30. 2026-05-28 13:42 UTCEPSS rescore
  31. 2026-05-27 13:38 UTCEPSS rescore
  32. 2026-05-27 13:38 UTCEPSS rescore
  33. 2026-05-26 13:42 UTCEPSS rescore
  34. 2026-05-26 13:42 UTCEPSS rescore
  35. 2026-05-26 07:17 UTCEPSS rescore
  36. 2026-05-24 16:44 UTCEPSS rescore
  37. 2026-05-22 21:15 UTCEPSS rescore
  38. 2026-05-20 11:21 UTCEPSS rescore
  39. 2026-05-20 11:21 UTCEPSS rescore
  40. 2026-05-20 09:01 UTCEG score recompute
  41. 2026-05-20 09:01 UTCGHSA enrichment
  42. 2026-05-20 04:52 UTCEG score recompute
  43. 2026-05-20 04:52 UTCGHSA enrichment
  44. 2026-05-20 00:43 UTCEG score recompute
  45. 2026-05-20 00:43 UTCGHSA enrichment
  46. 2026-05-19 20:34 UTCEG score recompute
  47. 2026-05-19 20:34 UTCGHSA enrichment
  48. 2026-05-19 16:25 UTCEG score recompute
  49. 2026-05-19 16:25 UTCGHSA enrichment
  50. 2026-05-19 12:16 UTCEG score recompute
  51. 2026-05-19 12:16 UTCGHSA enrichment
  52. 2026-05-19 08:06 UTCEG score recompute
  53. 2026-05-19 08:06 UTCGHSA enrichment
  54. 2026-05-19 03:57 UTCEG score recompute
  55. 2026-05-19 03:57 UTCGHSA enrichment
  56. 2026-05-18 23:45 UTCEG score recompute
  57. 2026-05-18 21:30 UTCEPSS rescore
  58. 2026-05-18 21:30 UTCEPSS rescore
  59. 2026-05-18 21:30 UTCEPSS rescore

Frequently asked(5)

What is CVE-2016-8731?
CVE-2016-8731 is a critical vulnerability published on June 21, 2017. 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.
When was CVE-2016-8731 disclosed?
CVE-2016-8731 was first published in the National Vulnerability Database on June 21, 2017, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2016-8731 actively exploited?
CVE-2016-8731 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 83.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2016-8731?
CVE-2016-8731 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2016-8731?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-8731, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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