CVE-2016-5669 — Crestron Electronics DM-TXRX-100-STR devices with firmware before 1.3039.00040 use a hardcoded 0xb9eed4d955a59eb3 X.509 certificate from an OpenSSL Test Certification Authority, which makes it easier for remote attackers to conduct man-in-the-middle attacks against HTTPS sessions by leveraging the certificate's trust relationship

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CRITICAL

Crestron Electronics DM-TXRX-100-STR devices with firmware before 1.3039.00040 use a hardcoded 0xb9eed4d955a59eb3 X.509 certificate from an OpenSSL Test Certification Authority, which makes it easier for remote attackers to conduct man-in-the-middle attacks against HTTPS sessions by leveraging the certificate's trust relationship

Published Aug 3, 2016

9.8

CRITICAL

CVSS 3.0

EPSS 1.62%

Description

Crestron Electronics DM-TXRX-100-STR devices with firmware before 1.3039.00040 use a hardcoded 0xb9eed4d955a59eb3 X.509 certificate from an OpenSSL Test Certification Authority, which makes it easier for remote attackers to conduct man-in-the-middle attacks against HTTPS sessions by leveraging the certificate's trust relationship.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.62% 0.01624

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01624

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (10 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	1.62% (0.01624)	75.26th	v5 (v2026.06.15)
Jun 15, 2026	1.62% (0.01624)	72.93th	v5 (v2026.06.15)
Mar 17, 2025	0.25% (0.00254)	46.74th	v4 (v2025.03.14)
Dec 12, 2024	0.18% (0.00184)	56.96th	v3 (v2023.03.01)
Jun 25, 2024	0.18% (0.00184)	55.85th	v3 (v2023.03.01)
Mar 7, 2023	0.18% (0.00184)	53.85th	v3 (v2023.03.01)
Mar 6, 2023	1.05% (0.01055)	52.13th	v2 (v2022.01.01)
Sep 17, 2022	1.05% (0.01055)	50.47th	v2 (v2022.01.01)
Apr 1, 2022	1.05% (0.01055)	48.43th	v2 (v2022.01.01)
Feb 4, 2022	1.05% (0.01055)	27.52th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (2)

http://www.kb.cert.org/vuls/id/974424
third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government ResourceVDB Entry
http://www.securityfocus.com/bid/92211
vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry

Link	Providers	Tags
http://www.kb.cert.org/vuls/id/974424		third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government ResourceVDB Entry
http://www.securityfocus.com/bid/92211		vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner certcc

Published Aug 3, 2016

Updated Aug 6, 2024

Reserved Jun 16, 2016

Link CVE-2016-5669

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2016-5669

Red Hat

Severity n/a

Public date n/a

Links CVE-2016-5669