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CVE-2026-111229

Netgate pfSense CE 2.7.0 through 2.9.0 Command Injection via Captive Portal HA Sync

Published
Last modified
published
Not listed in CISA KEV
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: poc
  • Automatable: no
  • Technical impact: total

Summary

pfSense CE 2.7.0 through 2.9.0 contains a command injection vulnerability in services_captiveportal_hasync.php that allows users with only the Captive Portal HA privilege to execute commands as root. Attackers can set backwardsyncip to a malicious XMLRPC server returning connected_users with shell metacharacters in ip or mac fields, which captiveportal_load_pfctl passes unescaped to a pfctl shell command.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: poc · Automatable: no · Technical impact: total

  3. Record last updated

Affected versions

  • Netgate pfSense CE

    From 2.7.0 · through 2.9.0

References 5

GitHub · abraxas/pfsense-cp-ha-pfctl

abraxaslabs.tech

GitHub · pfsense/pfsense

vulncheck.com