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Vulnerability record · CVE-2016-9683 · published 22 February 2017

CVE-2016-9683: Dell sonicwall secure remote access server command injection vulnerability

Dell · Sonicwall Secure Remote Access Server

The SonicWall Secure Remote Access server (version 8.1.0.2-14sv) is vulnerable to a Remote Command Injection vulnerability in its web administrative interface. This vulnerability occurs in the 'extensionsettings' CGI (/cgi-bin/extensionsettings) component responsible for handling some of the server's internal configurations. The CGI application doesn't properly escape the information it's passed when processing a particular multi-part form request involving scripts. The filename of the 'scriptname' variable is read in unsanitized before a call to system() is performed - allowing for remote command injection. Exploitation of this vulnerability yields shell access to the remote machine under the nobody user account. This is SonicWall Issue ID 181195.

9.8 CVSS 3.0 Critical EPSS 12% · top 4.1% CWE-77 · Command injection
9.8CVSS 3.0 base score, v2 10.0
12%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

The SonicWall Secure Remote Access server (version 8.1.0.2-14sv) is vulnerable to a Remote Command Injection vulnerability in its web administrative interface. This vulnerability occurs in the 'extensionsettings' CGI (/cgi-bin/extensionsettings) component responsible for handling some of the server's internal configurations. The CGI application doesn't properly escape the information it's passed when processing a particular multi-part form request involving scripts. The filename of the 'scriptname' variable is read in unsanitized before a call to system() is performed - allowing for remote command injection. Exploitation of this vulnerability yields shell access to the remote machine under the nobody user account. This is SonicWall Issue ID 181195.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

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

References

LinkTags
http://documents.software.dell.com/sonicwall-sma-100-series/8.1.0.7/release-notes/resolved-issues?ParentProduct=868 Release NotesVendor Advisory
http://pastebin.com/eJbeXgBr
http://www.securityfocus.com/bid/96375
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2016-0004
http://documents.software.dell.com/sonicwall-sma-100-series/8.1.0.7/release-notes/resolved-issues?ParentProduct=868 Release NotesVendor Advisory
http://pastebin.com/eJbeXgBr
http://www.securityfocus.com/bid/96375
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2016-0004

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2016-9683), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.