How severe is CVE-2016-5666?

CVE-2016-5666 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-2016-5666 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-5666?

CVE-2016-5666 affects Crestron Dm-txrx-100-str Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-5666?

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-2016-5666 published?

CVE-2016-5666 was published on 2016-08-03 and last updated on 2026-06-17.

CVE-2016-5666

CVE-2016-5666 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

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 5.0
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Crestron Dm-txrx-100-str Firmware
Published: 2016-08-03
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2016-5666?: 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.
How severe is CVE-2016-5666?: CVE-2016-5666 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-2016-5666 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-5666?: CVE-2016-5666 affects Crestron Dm-txrx-100-str Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-5666?: 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-2016-5666 published?: CVE-2016-5666 was published on 2016-08-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:crestron:dm-txrx-100-str_firmware:1.2866.00026:*:*:*:*:*:*:*

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