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 update: 2026-05-13 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2017-3186 is rated High Risk (67.8/100): CVSS Critical severity, with high exploitation likelihood (EPSS 6.08%, 92th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2017-3186

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 9.87% 6.08% -3.79%
2 2025-07-01 10.34% 9.87% -0.46%
3 2025-03-30 — 10.34% —

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2017-3186

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.0 CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.9 [email protected]
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 10.0 [email protected]

Weakness enumeration for CVE-2017-3186

Affected software / configurations for CVE-2017-3186

Vendor Product Version Raw CPE
acti camera_firmware a1d-500-v6.11.31-ac cpe:2.3:o:acti:camera_firmware:a1d-500-v6.11.31-ac:*:*:*:*:*:*:*

References for CVE-2017-3186

URL Tags
http://www.securityfocus.com/bid/96720/info Third Party Advisory VDB Entry
https://twitter.com/Hfuhs/status/839252357221330944 Press/Media Coverage
https://twitter.com/hack3rsca/status/839599437907386368 Press/Media Coverage
https://www.kb.cert.org/vuls/id/355151 Third Party Advisory US Government Resource
cvelogic Threat Intelligence