{"id":"CVE-2026-111218","state":"PUBLISHED","title":"Netgate pfSense CE 2.7.0 through 2.9.0 OS Command Injection via Traffic Shaper Limiters","description":"Netgate pfSense CE 2.7.0 through 2.9.0 contains an OS command injection vulnerability that allows authenticated users with Traffic Shaper Limiters privileges to execute root commands by tampering with the limiter number field. Attackers can submit a malicious hidden 'number' value when editing a limiter, then delete it so delete_queue() passes the unquoted value to dnctl via /bin/sh as root.","publishedAt":"2026-10-15T18:46:19.971Z","updatedAt":"2026-10-15T20:07:51.202Z","severity":{"score":8.6,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["Netgate pfSense CE"],"affected":[{"vendor":"Netgate","product":"pfSense CE","packageURL":"pkg:github/pfsense/pfsense","defaultStatus":"unaffected","versions":[{"version":"2.7.0","status":"affected","lessThanOrEqual":"2.9.0","versionType":"semver"}],"collectionURL":"https://github.com","repo":"https://github.com/pfsense/pfsense"}],"references":["https://github.com/abraxas/pfsense-limiter-number","https://abraxaslabs.tech/research/pfsense-ce-leftovers","https://abraxaslabs.tech/research/pfsense-limiter-number","https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/shaper.inc#L3959","https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/shaper.inc#L3820-L3821","https://www.vulncheck.com/advisories/netgate-pfsense-ce-2.7.0-through-2.9.0-os-command-injection-via-traffic-shaper-limiters"],"weaknesses":["CWE-78"],"ingestedAt":"2026-10-29T20:10:33.477Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/111xxx/CVE-2026-111218.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-111218","state":"PUBLISHED","datePublished":"2026-10-15T18:46:19.971Z","dateUpdated":"2026-10-15T20:07:51.202Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-10-15T18:21:18.816Z"},"containers":{"cna":{"title":"Netgate pfSense CE 2.7.0 through 2.9.0 OS Command Injection via Traffic Shaper Limiters","descriptions":[{"lang":"en","value":"Netgate pfSense CE 2.7.0 through 2.9.0 contains an OS command injection vulnerability that allows authenticated users with Traffic Shaper Limiters privileges to execute root commands by tampering with the limiter number field. Attackers can submit a malicious hidden 'number' value when editing a limiter, then delete it so delete_queue() passes the unquoted value to dnctl via /bin/sh as root."}],"affected":[{"vendor":"Netgate","product":"pfSense CE","packageURL":"pkg:github/pfsense/pfsense","defaultStatus":"unaffected","versions":[{"version":"2.7.0","status":"affected","lessThanOrEqual":"2.9.0","versionType":"semver"}],"collectionURL":"https://github.com","repo":"https://github.com/pfsense/pfsense"}],"references":[{"url":"https://github.com/abraxas/pfsense-limiter-number","tags":["exploit","technical-description"]},{"url":"https://abraxaslabs.tech/research/pfsense-ce-leftovers","tags":["technical-description"]},{"url":"https://abraxaslabs.tech/research/pfsense-limiter-number","tags":["technical-description"]},{"url":"https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/shaper.inc#L3959","tags":["technical-description"]},{"url":"https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/shaper.inc#L3820-L3821","tags":["technical-description"]},{"url":"https://www.vulncheck.com/advisories/netgate-pfsense-ce-2.7.0-through-2.9.0-os-command-injection-via-traffic-shaper-limiters","name":"VulnCheck Advisory: Netgate pfSense CE 2.7.0 through 2.9.0 OS Command Injection via Traffic Shaper Limiters","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"HIGH","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":8.6,"baseSeverity":"HIGH"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":7.2,"baseSeverity":"HIGH"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-78","lang":"en","description":"Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-10-15T18:46:19.971Z"},"datePublic":"2026-10-13T15:55:45.000Z","cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:netgate:pfsense:*:*:*:*:*:*:*:*","versionStartIncluding":"2.7.0","versionEndIncluding":"2.9.0"}]}]}],"credits":[{"lang":"en","value":"Abraxas Labs","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-15T20:05:36.819673Z","id":"CVE-2026-111218","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-15T20:07:51.202Z"}}]}}}