CVE-2026-110908

Status: Awaiting AnalysisHigh (8.8)—

Severity8.8High · CVSS 3.1

Exploitation probability6.08 %higher than 93% of CVEs

Active exploitationNonot in the CISA catalog

Public exploitNot knownno public code found

Netgate pfSense FRR package (pfSense-pkg-frr) 2.0.2_1 and source revision 2.1.2_1 contain an OS command injection vulnerability in the FRR status filter. An authenticated WebGUI user with only the page-status-frr privilege can supply a filter value that breaks out of a single-quoted sed expression into which escapeshellarg() output is concatenated. Shell command substitution is then evaluated by a popen() pipeline, allowing attacker-selected commands to execute as root. There are updated FRR packages for pfSense Plus 26.07/26.03.1 and CE 2.9.0/2.8.1.

CVSS

Base score: 8.8
Version: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 6.08 %
Percentile among all scored CVEs: 93
Score date: 10/20/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

ExploitationT1210 Exploitation of Remote Serviceslateral movement85 %
Primary impactT1059 Command and Scripting Interpreterexecution90 %
Secondary impactT1068 Exploitation for Privilege Escalationprivilege escalation70 %

Vector AV:N/PR:L/UI:N con usuario WebGUI autenticado; la inyección de comandos en el filtro FRR permite ejecutar comandos elegidos por el atacante como root.

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

ATT&CK mitigations that cover these techniques

Threat Intelligence Program Privileged Account Management Execution Prevention Disable or Remove Feature or Program Application Isolation and Sandboxing Exploit Protection

Affected technologies (1)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

Netgate — Pfsense-pkg-frr^AI

CWEs

CWE-78

References

Show 2 references

Raw JSON (NVD)

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{
  "id": "CVE-2026-110908",
  "cveTags": [],
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          "options": [
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            {
              "automatable": "no"
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            {
              "technicalImpact": "total"
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          "version": "2.0.3",
          "timestamp": "2026-10-15T15:43:20.464338Z"
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          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
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      "source": "cve@mitre.org",
      "affectedData": [
        {
          "repo": "https://github.com/pfsense/FreeBSD-ports",
          "vendor": "Netgate",
          "product": "pfSense-pkg-frr",
          "versions": [
            {
              "status": "affected",
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              "versionType": "custom"
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  "published": "2026-10-15T03:17:10.797",
  "references": [
    {
      "url": "https://github.com/pfsense/FreeBSD-ports/blob/a621624266b19a7f48b1f94a60821d2c2fc6ee4c/net/pfSense-pkg-frr/files/usr/local/www/status_frr.php#L62-L73",
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    {
      "url": "https://redmine.pfsense.org/issues/17134",
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    {
      "lang": "en",
      "value": "Netgate pfSense FRR package (pfSense-pkg-frr) 2.0.2_1 and source revision 2.1.2_1 contain an OS command injection vulnerability in the FRR status filter. An authenticated WebGUI user with only the page-status-frr privilege can supply a filter value that breaks out of a single-quoted sed expression into which escapeshellarg() output is concatenated. Shell command substitution is then evaluated by a popen() pipeline, allowing attacker-selected commands to execute as root. There are updated FRR packages for pfSense Plus 26.07/26.03.1 and CE 2.9.0/2.8.1."
    }
  ],
  "lastModified": "2026-10-16T19:55:59.740",
  "sourceIdentifier": "cve@mitre.org"
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