High severity · published Jan 22, 2018
CVE-2016-10709
pfSense before 2.3 allows remote authenticated users to execute arbitrary OS commands via a '|' character in the status_rrd_graph_img.php graph parameter, related to…
8.8
CVSS
33.7%
EPSS
No
On KEV
Description
pfSense before 2.3 allows remote authenticated users to execute arbitrary OS commands via a '|' character in the status_rrd_graph_img.php graph parameter, related to _rrd_graph_img.php.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)33.7% · higher than 98% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PF
Pfsense · Pfsense
through 2.2.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-10709
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-10709
Exploit
https://www.exploit-db.com/exploits/39709/
Vendor Advisory
https://www.pfsense.org/security/advisories/pfSense-SA-16_01.webgui.asc
Exploit
https://www.rapid7.com/db/modules/exploit/unix/http/pfsense_graph_injection_exec
Exploit
https://www.security-assessment.com/files/documents/advisory/pfsenseAdvisory.pdf
More from Pfsense
9.9
CVE-2025-69691
Netgate pfSense CE 2.8.0 allows code execution in the XMLRPC API via pfsense.exec_php
9.8
CVE-2023-29974
An issue discovered in Pfsense CE version 2.6.0 allows attackers to compromise user accounts via weak password requirements
9.8
CVE-2023-27100
Improper restriction of excessive authentication attempts in the SSHGuard component of Netgate pfSense Plus software v22.05.1 and pfSense CE software v2.6.0 allows attackers to…
9.1
CVE-2025-69690
Netgate pfSense CE 2.7.2 allows code execution by using the module installer with a backup file with a serialized PHP object containing the post_reboot_commands property
8.8
CVE-2026-111225
Netgate pfSense CE 2.5.0 through 2.9.0 OS Command Injection via openvpn.learn-address.sh