How severe is CVE-2016-5639?

CVE-2016-5639 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2016-5639 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 21% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-5639?

CVE-2016-5639 affects Crestron Airmedia Am-100 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-5639?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2016-5639 published?

CVE-2016-5639 was published on 2016-08-03 and last updated on 2026-06-17.

CVE-2016-5639

CVE-2016-5639 is a high-severity vulnerability in Crestron Airmedia Am-100 Firmware with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 21% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 21% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Crestron Airmedia Am-100 Firmware
Published: 2016-08-03
Last modified: 2026-06-17

Description

Directory traversal vulnerability in cgi-bin/login.cgi on Crestron AirMedia AM-100 devices with firmware before 1.4.0.13 allows remote attackers to read arbitrary files via a .. (dot dot) in the src parameter.

Frequently asked questions

What is CVE-2016-5639?: Directory traversal vulnerability in cgi-bin/login.cgi on Crestron AirMedia AM-100 devices with firmware before 1.4.0.13 allows remote attackers to read arbitrary files via a .. (dot dot) in the src parameter.
How severe is CVE-2016-5639?: CVE-2016-5639 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2016-5639 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 21% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-5639?: CVE-2016-5639 affects Crestron Airmedia Am-100 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-5639?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-5639 published?: CVE-2016-5639 was published on 2016-08-03 and last updated on 2026-06-17.

References

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…
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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…
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