CVE-2016-5669

CVE-2016-5669 is a critical-severity vulnerability in Crestron Dm-txrx-100-str Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

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.

Frequently asked questions

What is 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.
How severe is CVE-2016-5669?
CVE-2016-5669 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-5669 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-5669?
CVE-2016-5669 affects Crestron Dm-txrx-100-str Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-5669?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2016-5669 published?
CVE-2016-5669 was published on 2016-08-03 and last updated on 2026-06-17.

References

Affected products (1)

More vulnerabilities in Crestron Dm-txrx-100-str Firmware

All CVEs affecting Crestron Dm-txrx-100-str Firmware →