{"id":"CVE-2019-15271","aliases":["EUVD-2019-6279","GHSA-87q2-rr35-r6c9"],"status":"published","title":"Cisco Small Business RV016, RV042, RV042G, and RV082 Routers Arbitrary Command Execution Vulnerability","description":"A vulnerability in the web-based management interface of certain Cisco Small Business RV Series Routers could allow an authenticated, remote attacker to execute arbitrary commands with root privileges. The attacker must have either a valid credential or an active session token. The vulnerability is due to lack of input validation of the HTTP payload. An attacker could exploit this vulnerability by sending a malicious HTTP request to the web-based management interface of the targeted device. A successful exploit could allow the attacker to execute commands with root privileges.","severity":{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.05488,"percentile":0.92833,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2019-11-26T03:12:26Z","modified":"2026-06-17T02:19:59Z","kev":{"date_added":"2022-06-08","due_date":"2022-06-22","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2022-06-08"},{"source":"kev","since":"2022-06-08"}],"products":[{"vendor":"cisco","product":"cisco small business rv series router firmware"},{"vendor":"cisco","product":"rv series routers"},{"vendor":"cisco","product":"rv016_multi-wan_vpn_firmware"},{"vendor":"cisco","product":"rv042_dual_wan_vpn_firmware"},{"vendor":"cisco","product":"rv042g_dual_gigabit_wan_vpn_firmware"},{"vendor":"cisco","product":"rv082_dual_wan_vpn_firmware"}],"references":[{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20191106-sbrv-cmd-x","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-15271","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-15271"},{"url":"https://github.com/advisories/GHSA-87q2-rr35-r6c9"}],"sources":{"cve":[{"id":"CVE-2019-15271","title":"Cisco Small Business RV016, RV042, RV042G, and RV082 Routers Arbitrary Command Execution Vulnerability","description":"A vulnerability in the web-based management interface of certain Cisco Small Business RV Series Routers could allow an authenticated, remote attacker to execute arbitrary commands with root privileges. The attacker must have either a valid credential or an active session token. The vulnerability is due to lack of input validation of the HTTP payload. An attacker could exploit this vulnerability by sending a malicious HTTP request to the web-based management interface of the targeted device. A successful exploit could allow the attacker to execute commands with root privileges.","status":"published","published":"2019-11-26T03:12:26.649Z","modified":"2025-10-21T23:35:57.315Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:20:21.397307Z"}],"euvd":[{"id":"EUVD-2019-6279","description":"A vulnerability in the web-based management interface of certain Cisco Small Business RV Series Routers could allow an authenticated, remote attacker to execute arbitrary commands with root privileges. The attacker must have either a valid credential or an active session token. The vulnerability is due to lack of input validation of the HTTP payload. An attacker could exploit this vulnerability by sending a malicious HTTP request to the web-based management interface of the targeted device. A successful exploit could allow the attacker to execute commands with root privileges.","status":"published","published":"2019-11-26T03:12:26Z","modified":"2025-10-21T23:35:57Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"exploited_since":"2022-06-08","updated_at":"2026-11-02T20:31:24.172282Z"}],"ghsa":[{"id":"GHSA-87q2-rr35-r6c9","title":"A vulnerability in the web-based management interface of certain Cisco Small Business RV Series...","description":"A vulnerability in the web-based management interface of certain Cisco Small Business RV Series Routers could allow an authenticated, remote attacker to execute arbitrary commands with root privileges. The attacker must have either a valid credential or an active session token. The vulnerability is due to lack of input validation of the HTTP payload. An attacker could exploit this vulnerability by sending a malicious HTTP request to the web-based management interface of the targeted device. A successful exploit could allow the attacker to execute commands with root privileges.","status":"published","published":"2022-05-24T17:02:07Z","modified":"2025-10-22T00:31:49Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:04:04.176931Z"}],"kev":[{"id":"CVE-2019-15271","title":"Cisco RV Series Routers Deserialization of Untrusted Data Vulnerability","description":"A deserialization of untrusted data vulnerability in the web-based management interface of certain Cisco Small Business RV Series Routers could allow an attacker to execute code with root privileges.","cwes":["CWE-502"],"kev":{"date_added":"2022-06-08","due_date":"2022-06-22","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Unknown"},"updated_at":"2026-11-02T17:00:16.234141Z"}],"nvd":[{"id":"CVE-2019-15271","description":"A vulnerability in the web-based management interface of certain Cisco Small Business RV Series Routers could allow an authenticated, remote attacker to execute arbitrary commands with root privileges. The attacker must have either a valid credential or an active session token. The vulnerability is due to lack of input validation of the HTTP payload. An attacker could exploit this vulnerability by sending a malicious HTTP request to the web-based management interface of the targeted device. A successful exploit could allow the attacker to execute commands with root privileges.","status":"published","published":"2019-11-26T03:15:11.05Z","modified":"2026-06-17T02:19:59.5Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":9,"vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:05:38.993437Z"}]}}