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CVE-2019-15271

CISA KEV

Published June 8, 2022 · Updated April 3, 2026

high
Official 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.

Affected Products

VendorProduct
CiscoRV Series Routers

Patch Status

Patch by 2022-06-22

Recommended Actions

  1. Check if your systems use any of the affected products listed above.
  2. Apply vendor patches immediately if available.
  3. This vulnerability is in CISA's Known Exploited Vulnerabilities catalog — prioritize remediation.
  4. Monitor vendor advisories for updates and additional mitigations.
  5. Review logs for indicators of compromise related to CVE-2019-15271.