{"id":"CVE-2026-20169","state":"PUBLISHED","title":"Cisco IoT Field Network Director Command Injection Vulnerability","description":"A vulnerability in the web-based management interface of Cisco IoT Field Network Director could allow an authenticated, remote attacker with low privileges to access files and execute commands on a remote router.\r\n\r\nThis vulnerability is due to insufficient input validation of user-supplied data. An attacker could exploit this vulnerability by submitting crafted input in the web-based management interface. A successful exploit could allow the attacker to create, read, or delete files and execute limited commands in user EXEC mode on a remote router.","publishedAt":"2026-05-06T16:15:48.405Z","updatedAt":"2026-05-06T17:26:55.572Z","severity":{"score":6.4,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","source":"cisco"},"assigner":"cisco","products":["Cisco Cisco IoT Field Network Director (IoT-FND)"],"affected":[{"vendor":"Cisco","product":"Cisco IoT Field Network Director (IoT-FND)","defaultStatus":"unknown","versions":[{"version":"4.5.1","status":"affected"},{"version":"4.4.3","status":"affected"},{"version":"4.1.0","status":"affected"},{"version":"4.1.3","status":"affected"},{"version":"4.6.1","status":"affected"},{"version":"4.1.1","status":"affected"},{"version":"4.4.0","status":"affected"},{"version":"4.2.0","status":"affected"},{"version":"4.4.2","status":"affected"},{"version":"4.3.0","status":"affected"},{"version":"4.6.0","status":"affected"},{"version":"4.4.4","status":"affected"},{"version":"4.3.2","status":"affected"},{"version":"4.1.2","status":"affected"},{"version":"4.4.1","status":"affected"},{"version":"4.5.0","status":"affected"},{"version":"4.3.1","status":"affected"},{"version":"4.7.0","status":"affected"},{"version":"4.6.2","status":"affected"},{"version":"4.7.1","status":"affected"},{"version":"4.7.2","status":"affected"},{"version":"4.8.0","status":"affected"},{"version":"4.8.1","status":"affected"},{"version":"4.9.0","status":"affected"},{"version":"4.9.1","status":"affected"},{"version":"4.10.0","status":"affected"},{"version":"4.9.2","status":"affected"},{"version":"4.11.0","status":"affected"},{"version":"4.12.0","status":"affected"},{"version":"4.12.1","status":"affected"}]}],"references":["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iot-fnd-dos-n8N26Q4u"],"weaknesses":["CWE-77"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/20xxx/CVE-2026-20169.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-20169","state":"PUBLISHED","datePublished":"2026-05-06T16:15:48.405Z","dateUpdated":"2026-05-06T17:26:55.572Z","assignerShortName":"cisco","assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","dateReserved":"2025-10-08T11:59:15.391Z"},"containers":{"cna":{"title":"Cisco IoT Field Network Director Command Injection Vulnerability","descriptions":[{"lang":"en","value":"A vulnerability in the web-based management interface of Cisco IoT Field Network Director could allow an authenticated, remote attacker with low privileges to access files and execute commands on a remote router.\r\n\r\nThis vulnerability is due to insufficient input validation of user-supplied data. An attacker could exploit this vulnerability by submitting crafted input in the web-based management interface. A successful exploit could allow the attacker to create, read, or delete files and execute limited commands in user EXEC mode on a remote router."}],"affected":[{"vendor":"Cisco","product":"Cisco IoT Field Network Director (IoT-FND)","defaultStatus":"unknown","versions":[{"version":"4.5.1","status":"affected"},{"version":"4.4.3","status":"affected"},{"version":"4.1.0","status":"affected"},{"version":"4.1.3","status":"affected"},{"version":"4.6.1","status":"affected"},{"version":"4.1.1","status":"affected"},{"version":"4.4.0","status":"affected"},{"version":"4.2.0","status":"affected"},{"version":"4.4.2","status":"affected"},{"version":"4.3.0","status":"affected"},{"version":"4.6.0","status":"affected"},{"version":"4.4.4","status":"affected"},{"version":"4.3.2","status":"affected"},{"version":"4.1.2","status":"affected"},{"version":"4.4.1","status":"affected"},{"version":"4.5.0","status":"affected"},{"version":"4.3.1","status":"affected"},{"version":"4.7.0","status":"affected"},{"version":"4.6.2","status":"affected"},{"version":"4.7.1","status":"affected"},{"version":"4.7.2","status":"affected"},{"version":"4.8.0","status":"affected"},{"version":"4.8.1","status":"affected"},{"version":"4.9.0","status":"affected"},{"version":"4.9.1","status":"affected"},{"version":"4.10.0","status":"affected"},{"version":"4.9.2","status":"affected"},{"version":"4.11.0","status":"affected"},{"version":"4.12.0","status":"affected"},{"version":"4.12.1","status":"affected"}]}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iot-fnd-dos-n8N26Q4u","name":"cisco-sa-iot-fnd-dos-n8N26Q4u"}],"metrics":[{"format":"cvssV3_1","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","baseScore":6.4,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-77","lang":"en","description":"Improper Neutralization of Special Elements used in a Command ('Command Injection')","type":"cwe"}]}],"providerMetadata":{"shortName":"cisco","orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","dateUpdated":"2026-05-06T16:15:48.405Z"},"exploits":[{"lang":"en","value":"The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory."}],"source":{"advisory":"cisco-sa-iot-fnd-dos-n8N26Q4u","discovery":"EXTERNAL","defects":["CSCwm80968"]}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-06T17:26:38.558371Z","id":"CVE-2026-20169","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-06T17:26:55.572Z"}}]}}}