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Vulnerability record · CVE-2016-4965 · published 21 September 2016

CVE-2016-4965: Fortinet fortiwan os command injection vulnerability

Fortinet · Fortiwan

Fortinet FortiWan (formerly AscernLink) before 4.2.5 allows remote authenticated users with access to the nslookup functionality to execute arbitrary commands with root privileges via the graph parameter to diagnosis_control.php.

8.8 CVSS 3.0 High EPSS 4.1% · top 9.6% CWE-78 · OS command injection
8.8CVSS 3.0 base score, v2 9.0
4.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

Fortinet FortiWan (formerly AscernLink) before 4.2.5 allows remote authenticated users with access to the nslookup functionality to execute arbitrary commands with root privileges via the graph parameter to diagnosis_control.php.

CVSS:3.0/AV:N/AC:L/PR:L/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://docs.fortinet.com/uploaded/files/3236/fortiwan-v4.2.5-release-notes.pdf Release Notes
http://fortiguard.com/advisory/fortiwan-multiple-vulnerabilities Vendor Advisory
http://www.securityfocus.com/bid/92779 Third Party AdvisoryVDB Entry
https://www.kb.cert.org/vuls/id/724487 Third Party AdvisoryUS Government Resource
http://docs.fortinet.com/uploaded/files/3236/fortiwan-v4.2.5-release-notes.pdf Release Notes
http://fortiguard.com/advisory/fortiwan-multiple-vulnerabilities Vendor Advisory
http://www.securityfocus.com/bid/92779 Third Party AdvisoryVDB Entry
https://www.kb.cert.org/vuls/id/724487 Third Party AdvisoryUS Government Resource

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Related vulnerabilities

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

9.8CVE-2021-26112Fortinet fortiwan out-of-bounds write vulnerabilityMultiple stack-based buffer overflow vulnerabilities [CWE-121] both in network daemons and in the command line interpreter of FortiWAN before 4.5.9 m…EPSS 1.7%9.8CVE-2021-26114Fortinet fortiwan sql injection vulnerabilityMultiple improper neutralization of special elements used in an SQL command vulnerabilities in FortiWAN before 4.5.9 may allow an unauthenticated att…EPSS 1.6%9.1CVE-2021-26102Fortinet fortiwan path traversal vulnerabilityA relative path traversal vulnerability (CWE-23) in FortiWAN version 4.5.7 and below, 4.4 all versions may allow a remote non-authenticated attacker …EPSS 20%8.8CVE-2023-44251Fortinet fortiwan path traversal vulnerability** UNSUPPORTED WHEN ASSIGNED **A improper limitation of a pathname to a restricted directory ('path traversal') vulnerability [CWE-22] in Fortinet Fo…EPSS 0.84%8.8CVE-2023-44252Fortinet fortiwan improper authentication vulnerability** UNSUPPORTED WHEN ASSIGNED **An improper authentication vulnerability [CWE-287] in Fortinet FortiWAN version 5.2.0 through 5.2.1 and version 5.1.1 …EPSS 0.72%8.8CVE-2022-33869Fortinet fortiwan os command injection vulnerabilityAn improper neutralization of special elements used in an OS command vulnerability [CWE-78] in the management interface of FortiWAN 4.0.0 through 4.5…EPSS 1.3%8.8CVE-2021-24009Fortinet fortiwan os command injection vulnerabilityMultiple improper neutralization of special elements used in an OS command vulnerabilities (CWE-78) in the Web GUI of FortiWAN before 4.5.9 may allow…EPSS 1.5%7.8CVE-2021-26115Fortinet fortiwan os command injection vulnerabilityAn OS command injection (CWE-78) vulnerability in FortiWAN version 4.5.7 and below Command Line Interface may allow a local, authenticated and unpriv…EPSS 0.79%

Source: NIST National Vulnerability Database (record CVE-2016-4965), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.