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Vulnerability record · CVE-2019-3931 · published 30 April 2019

CVE-2019-3931: Crestron am-100 firmware argument injection vulnerability

Crestron · Am 100 Firmware

Crestron AM-100 with firmware 1.6.0.2 and AM-101 with firmware 2.7.0.2 are vulnerable to argumention injection to the curl binary via crafted HTTP requests to return.cgi. A remote, authenticated attacker can use this vulnerability to upload files to the device and ultimately execute code as root.

8.8 CVSS 3.1 High EPSS 5.8% · top 7.2% CWE-88 · Argument injection
8.8CVSS 3.1 base score, v2 9.0
5.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Crestron AM-100 with firmware 1.6.0.2 and AM-101 with firmware 2.7.0.2 are vulnerable to argumention injection to the curl binary via crafted HTTP requests to return.cgi. A remote, authenticated attacker can use this vulnerability to upload files to the device and ultimately execute code as root.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.tenable.com/security/research/tra-2019-20 ExploitThird Party Advisory
https://www.tenable.com/security/research/tra-2019-20 ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2019-3929Unauthenticated OS command injection in Crestron, Barco and other wireless presentation firmwareMultiple wireless presentation and collaboration devices (Crestron AM-100/AM-101, Barco wePresent, Extron ShareLink, Teq AV IT, SHARP, Optoma, Blackb…KEVEPSS 99%analysed9.8CVE-2019-3939Crestron am-100 firmware hard-coded credentials vulnerabilityCrestron AM-100 with firmware 1.6.0.2 and AM-101 with firmware 2.7.0.2 use default credentials admin/admin and moderator/moderator for the web interf…EPSS 2.8%9.8CVE-2019-3925Crestron am-100 firmware cross-site scripting vulnerabilityCrestron AM-100 with firmware 1.6.0.2 and AM-101 with firmware 2.7.0.2 are vulnerable to command injection via SNMP OID iso.3.6.1.4.1.3212.100.3.2.9.…EPSS 6.9%9.8CVE-2019-3926Crestron am-100 firmware cross-site scripting vulnerabilityCrestron AM-100 with firmware 1.6.0.2 and AM-101 with firmware 2.7.0.2 are vulnerable to command injection via SNMP OID iso.3.6.1.4.1.3212.100.3.2.14…EPSS 6.9%9.8CVE-2019-3927Crestron am-100 firmware improper access control vulnerabilityCrestron AM-100 with firmware 1.6.0.2 and AM-101 with firmware 2.7.0.2 anyone can change the administrator and moderator passwords via the iso.3.6.1.…EPSS 2.2%9.8CVE-2019-3930Crestron am-100 firmware stack-based buffer overflow vulnerabilityThe Crestron AM-100 firmware 1.6.0.2, Crestron AM-101 firmware 2.7.0.1, Barco wePresent WiPG-1000P firmware 2.3.0.10, Barco wePresent WiPG-1600W befo…EPSS 7.0%9.8CVE-2019-3932Crestron am-100 firmware hard-coded credentials vulnerabilityCrestron AM-100 with firmware 1.6.0.2 and AM-101 with firmware 2.7.0.2 are vulnerable to authentication bypass due to a hard-coded password in return…EPSS 36%9.1CVE-2019-3935Crestron am-100 firmware improper access control vulnerabilityCrestron AM-100 with firmware 1.6.0.2 and AM-101 with firmware 2.7.0.2 allows anyone to act as a moderator to a slide show via crafted HTTP POST requ…EPSS 3.3%

Source: NIST National Vulnerability Database (record CVE-2019-3931), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.