Reference page — cumulative record through Wednesday, October 7, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2019-15271

CVE-2019-15271HIGH

Cisco Small Business RV016, RV042, RV042G, and RV082 Routers Arbitrary Command Execution Vulnerability

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   L   N  U  H  H  H    8.8   .0549   92.5   YES

AFFECTED
  Product                                         Versions       Fixed
  Cisco Small Business RV Series Router Firmware  unspecified –  —

TIMELINE
  Aug 20  Reserved by cisco
  Nov 26  Published (CNA: cisco)
  Jun 8   Added to CISA KEV, remediation due 2022-06-22

CWE-502 · CNA: cisco · CVSS v3.0 · 2 references · KEV due June 22, 2022

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.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
August 20, 2019	Reserved	Reserved by cisco
November 26, 2019	Published	Published (CNA: cisco)
June 8, 2022	KEV ADDED	Added to CISA KEV, remediation due 2022-06-22

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Cisco	Cisco Small Business RV Series Router Firmware	—	unspecified	—

Weaknesses

CWE-502

References (2)

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20191106-sbrv-cmd-x [vendor-advisory, x_refsource_CISCO]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-15271 [government-resource]

Authoritative record: CVE-2019-15271 at cve.org

Vendors: cisco

Weaknesses: CWE-502

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2019-15271 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, October 7, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.