HOMEVULNERABILITIESCVE-2016-5640
CRITICAL

CVE-2016-5640

CWE-77Published: August 3, 2016· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

Directory traversal vulnerability in cgi-bin/rftest.cgi on Crestron AirMedia AM-100 devices with firmware before 1.4.0.13 allows remote attackers to execute arbitrary commands via a .. (dot dot) in the ATE_COMMAND parameter.

NVD Source

Technical Analysis

CVE-2016-5640 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

crestron2 product(s)
airmedia am-100 firmwareairmedia am-100
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://www.kb.cert.org/vuls/id/603047
ADVISORYhttp://www.securityfocus.com/bid/92216
ADVISORYhttps://github.com/CylanceVulnResearch/disclosures/blob/master/CLVA-2016-05-002.md
ADVISORYhttp://www.kb.cert.org/vuls/id/603047
ADVISORYhttp://www.securityfocus.com/bid/92216
ADVISORYhttps://github.com/CylanceVulnResearch/disclosures/blob/master/CLVA-2016-05-002.md

All References (6)

→
http://www.kb.cert.org/vuls/id/603047Third Party Advisory · US Government Resource
→
http://www.securityfocus.com/bid/92216Third Party Advisory · VDB Entry
→
https://github.com/CylanceVulnResearch/disclosures/blob/master/CLVA-2016-05-002.mdThird Party Advisory
→
http://www.kb.cert.org/vuls/id/603047Third Party Advisory · US Government Resource
→
http://www.securityfocus.com/bid/92216Third Party Advisory · VDB Entry
→
https://github.com/CylanceVulnResearch/disclosures/blob/master/CLVA-2016-05-002.mdThird Party Advisory

Quick Facts

CVE IDCVE-2016-5640
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-77
CISA KEVNo
Affected1 vendor(s)
PublishedAug 3, 2016

Related CVEs (CWE-77)

CVE-2015-1815
10.0
CVE-2015-7541
10.0
CVE-2024-48841
10.0
CVE-2014-9188
10.0
CVE-2014-1905
10.0
CVE-2024-20418
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2016-5640 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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