HOMEVULNERABILITIESCVE-2016-5666
CRITICAL

CVE-2016-5666

NVD-CWE-OtherPublished: August 3, 2016· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

Crestron Electronics DM-TXRX-100-STR devices with firmware before 1.3039.00040 rely on the client to perform authentication, which allows remote attackers to obtain access by setting the value of objresp.authenabled to 1.

NVD Source

Technical Analysis

CVE-2016-5666 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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

crestron2 product(s)
dm-txrx-100-str firmwaredm-txrx-100-str
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.kb.cert.org/vuls/id/974424
ADVISORYhttp://www.securityfocus.com/bid/92211
ADVISORYhttp://www.kb.cert.org/vuls/id/974424
ADVISORYhttp://www.securityfocus.com/bid/92211

All References (4)

→
http://www.kb.cert.org/vuls/id/974424Third Party Advisory · US Government Resource
→
http://www.securityfocus.com/bid/92211Third Party Advisory · VDB Entry
→
http://www.kb.cert.org/vuls/id/974424Third Party Advisory · US Government Resource
→
http://www.securityfocus.com/bid/92211Third Party Advisory · VDB Entry

Quick Facts

CVE IDCVE-2016-5666
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessNVD-CWE-Other
CISA KEVNo
Affected1 vendor(s)
PublishedAug 3, 2016

Related CVEs (NVD-CWE-Other)

CVE-2004-1770
10.0
CVE-2002-1868
10.0
CVE-2002-0436
10.0
CVE-1999-1479
10.0
CVE-2001-1196
10.0
CVE-2004-0676
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2016-5666 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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