CVE-2019-15271

HighCVSS 8.8/10Known exploited (CISA KEV)Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

VendorProductVersions
CiscoCisco Small Business RV Series Router Firmware>= unspecified, < n/a

References

Timeline

Published
Nov 26, 2019
Last modified
Jun 17, 2026
Added to CISA KEV
Jun 8, 2022
NVD status
Analyzed

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CVE-2019-15271: High severity, CVSS 8.8 | Vulnix