Quick answers
- Is CVE-2026-111221 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-111221 being exploited in the wild.
- How severe is CVE-2026-111221?
- Medium severity, with a CVSS score of 6.6, published 15 October 2026.
- Which products and versions are affected?
- Netgate Pfsense Ce through 2.9.0.
- Is there a fix for CVE-2026-111221?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-111221 attacked?
- It is attacked over the network, in a network appliance.
- Am I affected by CVE-2026-111221?
- Check whether you run Netgate Pfsense Ce or Pfsense at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
An authenticated WebGUI user with L2TP or PPPoE Server edit privileges can inject mpd5 commands by submitting an unescaped RADIUS shared secret containing a quote and newline character to vpn_l2tp.php or services_pppoe_edit.php. The vulnerability allows appending an up-script that executes arbitrary commands as root when a VPN session is initiated. This is a configuration injection flaw affecting the mpd5 daemon configuration generation.
Affected products
- Netgate pfSense CE through 2.9.0
Timeline
- 2026-10-15: disclosed