CriticalPublic exploit

Authenticated RCE via XMLRPC exec_php in pfSense CE 2.8.0

IdentifiersCVE-2025-69691CWE-284· Improper Access Control

CVE-2025-69691 describes an authenticated remote code execution condition in Netgate pfSense Community Edition 2.8.0 involving the XMLRPC API method pfsense.exec_php. According to the provided content, the XMLRPC endpoint is enabled by default, exposed over HTTPS, and reachable using Basic Authentication. The pfsense.exec_php method executes attacker-supplied PHP code immediately as root without validation, sandboxing, or other restrictions. The issue is therefore characterized as arbitrary PHP execution through the XMLRPC API with full system privileges. The supplier disputes the classification as a vulnerability, stating that this API capability is intentionally available to administrators and that admins are expected to be able to execute PHP code.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation provides remote execution of arbitrary PHP code as root on the pfSense firewall. Based on the provided content, this can result in full firewall takeover, arbitrary file read/write, deployment of backdoors or other persistence mechanisms, manipulation of firewall rules and device configuration, and extraction of secrets and stored configurations. Because execution occurs with full system privileges, compromise can affect confidentiality, integrity, and availability of the appliance and may enable broader network compromise.

Mitigation

If you can’t patch tonight, do this now.

No official mitigation is provided in the supplied content. Based on the described exposure, practical mitigations would include disabling or restricting XMLRPC access if not required, preventing network exposure of the management/API interface to untrusted networks, enforcing strong unique administrator credentials, disabling default credentials where present, limiting access via management ACLs/VPN, and monitoring for XMLRPC requests invoking pfsense.exec_php. Because the supplier disputes the issue, availability of a product-level mitigation is currently not available from the provided material.

Remediation

Patch, then assume compromise.

The provided content states that the researcher reported the issue to Netgate and that no patch would be issued because the behavior was considered expected for authenticated administrators. No vendor remediation is provided in the supplied material. If treating this as a security risk in an environment, remediation would require vendor-side removal, restriction, or hardening of the pfsense.exec_php XMLRPC method, including limiting or disabling arbitrary PHP execution through the API and enforcing stricter authorization controls.

PUBLIC EXPLOITS

Exploits

No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.

VALID 0 / 1 TOTALView more in app

All candidate exploits were filtered out by Mallory's validation.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType

NetgatePfsense Ceapplication

PfsensePfsenseapplication

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

ACTIVITY FEED

Recent activity

7 sources tracked across advisories and community write-ups. News coverage will land here when it surfaces.

7 SOURCESView more in app

No news coverage yet. Advisories and community discussion only.

What this page doesn’t show

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Exposure mapping

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Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity7

Community discussion across Reddit, Mastodon, and other social sources.

EXTERNAL REFERENCES

MITRE CVE

cve.org · CVE-2025-69691

NVD

nvd.nist.gov/vuln/detail/CVE-2025-69691

MITRE CWE · CWE-284

Improper Access Control

Third Party Advisory

seclists.org/fulldisclosure/2026/Feb/16

Authenticated RCE via XMLRPC exec_php in pfSense CE 2.8.0

IdentifiersCVE-2025-69691CWE-284· Improper Access Control