How severe is CVE-2019-3910?

CVE-2019-3910 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2019-3910 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-3910?

CVE-2019-3910 affects Crestron Airmedia Am-100 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-3910?

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-2019-3910 published?

CVE-2019-3910 was published on 2019-01-18 and last updated on 2026-06-17.

CVE-2019-3910

CVE-2019-3910 is a critical-severity vulnerability in Crestron Airmedia Am-100 Firmware with a CVSS 3.x base score of 9.1. 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 9.1)
CVSS v2: 8.5
EPSS exploit prediction: 9% (94th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Crestron Airmedia Am-100 Firmware
Published: 2019-01-18
Last modified: 2026-06-17

Description

Crestron AM-100 before firmware version 1.6.0.2 contains an authentication bypass in the web interface's return.cgi script. Unauthenticated remote users can use the bypass to access some administrator functionality such as configuring update sources and rebooting the device.

Frequently asked questions

What is CVE-2019-3910?: Crestron AM-100 before firmware version 1.6.0.2 contains an authentication bypass in the web interface's return.cgi script. Unauthenticated remote users can use the bypass to access some administrator functionality such as configuring update sources and rebooting the device.
How severe is CVE-2019-3910?: CVE-2019-3910 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2019-3910 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-3910?: CVE-2019-3910 affects Crestron Airmedia Am-100 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-3910?: 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-2019-3910 published?: CVE-2019-3910 was published on 2019-01-18 and last updated on 2026-06-17.

References

https://www.tenable.com/security/research/tra-2019-02

Affected products (1)

cpe:2.3:o:crestron:airmedia_am-100_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Crestron Airmedia Am-100 Firmware

CVE-2016-5640 — Critical (CVSS 9.8): Directory traversal vulnerability in cgi-bin/rftest.cgi on Crestron AirMedia AM-100 devices with firmware before…
CVE-2016-5639 — High (CVSS 7.5): Directory traversal vulnerability in cgi-bin/login.cgi on Crestron AirMedia AM-100 devices with firmware before…
CVE-2017-16709 — High (CVSS 7.2): Crestron Airmedia AM-100 devices with firmware before 1.6.0 and AM-101 devices with firmware before 2.7.0 allows remote…
CVE-2017-16710 — Medium (CVSS 4.8): Cross-site scripting (XSS) vulnerability in Crestron Airmedia AM-100 devices with firmware before 1.6.0 and AM-101…

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