CVE-2016-10709Pfsense OS Command Injection
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.
Published Jan 22, 2018 · Updated Jul 8, 2026
Key Facts
Patch immediately- CVE-2016-10709 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Pfsense.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 34% probability of exploitation in the next 30 days.
- Fixed versions are available, including Pfsense <=2.2.6, Pfsense 2.2.6.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v3.1
8.8
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
34%
Higher than 98.3% of all scored CVEs
Exploit maturity
Weaponized
ATLAS score
55/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Weaponized
Public exploit code
3
Proof-of-concept links
In-the-wild evidence
2
Reports of active use
Advisories And Exploit References
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.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| PfsensePfsense | See advisory | 2.2.6 |
Patched Releases
Pfsense
<=2.2.6
Timeline
Publicly disclosed
Jan 22, 2018
Last updated
Jul 8, 2026
Weakness Type
- CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
References
- advisorypfsense.org · pfSense-SA-16_01.webgui.asc
- exploitMSF pfsense_graph_injection_exec.rb
- exploitMSF pfsense_group_member_exec.rb
- exploit39709
- exploitrapid7.com · pfsense_graph_injection_exec
FAQ
Common Questions.
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.
Affected: Pfsense. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Pfsense <=2.2.6, Pfsense 2.2.6.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2016-10709 On Your Attack Surface?
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