HOMEVULNERABILITIESCVE-2019-3939
CRITICAL

CVE-2019-3939

CWE-16Published: April 30, 2019· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

Crestron AM-100 with firmware 1.6.0.2 and AM-101 with firmware 2.7.0.2 use default credentials admin/admin and moderator/moderator for the web interface. An unauthenticated, remote attacker can use these credentials to gain privileged access to the device.

NVD Source

Technical Analysis

CVE-2019-3939 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

crestron4 product(s)
am-100 firmwaream-100am-101 firmwaream-101
Source: NVD CPE · 4 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (2)

Quick Facts

CVE IDCVE-2019-3939
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-16
CISA KEVNo
Affected1 vendor(s)
PublishedApr 30, 2019

Related CVEs (CWE-16)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2019-3939 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.