What is CVE-2017-3186?

CVE-2017-3186 is a critical-severity vulnerability in Acti Camera Firmware, classified under Weak Password Requirements. CVSS score: 9.8/10. Published 2017-12-16.

How severe is CVE-2017-3186?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Acti Camera Firmware

CVE-2017-3186

ACTi cameras including the D, B, I, and E series using firmware version A1D-500-V6.11.31-AC use non-random default credentials across all devices. A remote attacker can take complete control of a device using default admin credentials.

Published 2017-12-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.061 (93.2th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.061 · newest: 0.061 · change: 0.000

Affected products

Acti Camera Firmware — versions a1d-500-v6.11.31-ac
Acti Corporation D, B, I, And E Series Cameras — versions A1D-500-V6.11.31-AC

Weakness classification (CWE)

References

twitter.com/hack3rsca/status/839599437907386368 (Press/Media Coverage)
www.securityfocus.com/bid/96720/info (VDB Entry, Third Party Advisory, vdb-entry)
twitter.com/Hfuhs/status/839252357221330944 (Press/Media Coverage)
www.kb.cert.org/vuls/id/355151 (US Government Resource, Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2017-3186?: CVE-2017-3186 is a critical-severity vulnerability in Acti Camera Firmware, classified under Weak Password Requirements. CVSS score: 9.8/10. Published 2017-12-16.
How severe is CVE-2017-3186?: Critical severity. CVSS v3 base score is 9.8 out of 10.