Known exploited vulnerability

CVE-2019-15271

Cisco RV Series Routers Deserialization of Untrusted Data Vulnerability

What is affected

Vendor Cisco
Product RV Series Routers
Weakness CWE-502

The vulnerability

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.

Required action

Apply updates per vendor instructions.

US federal civilian agencies were required to act by 22 June 2022 under BOD 22-01. The deadline is a compliance date, not a measure of severity — it says nothing about how dangerous the flaw is to anyone else.

Where this comes from

Every field on this page is taken from the CISA Known Exploited Vulnerabilities catalog, last synced 11 Nov 2026, 21:30. Nothing here is our own assessment. For the technical scoring, see the NVD record below.

NVD record ↗ CVE.org record ↗

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