CVE intelligence and bounded remediation

CVE-2019-17532 — An issue was discovered on Belkin Wemo Switch 28B WW_2.00.11057.PVT-OWRT-SNS devices

High CVSS 7.8

An issue was discovered on Belkin Wemo Switch 28B WW_2.00.11057.PVT-OWRT-SNS devices. They allow remote attackers to cause a denial of service (persistent rules-processing outage) via a crafted ruleDbBody element in a StoreRules request to the upnp/control/rules1 URI, because database corruption occurs.

Severity
High
CVSS
7.8 (2.0)
Published
2019-10-12
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-306

Affected products

  • belkin / wemo_switch_28b_firmware / wemo_ww_2.00.11057.pvt-owrt-sns

Matched remediation archetype

Authentication bypass and missing authentication

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Check exposure

  • Map every affected endpoint and protocol path, including alternate ports, legacy routes, recovery flows, service accounts, and machine-to-machine access.
  • Confirm which deployments enable the affected authentication mode and whether the interface is reachable from untrusted networks.
  • Review session, token, credential, and proxy trust configuration without attempting account takeover.

Remediate safely

  • Apply the supported fix and centralize fail-closed authentication before protected request handling.
  • Remove default or embedded credentials, rotate affected secrets and sessions, and bind authentication decisions to the intended audience and channel.
  • Add negative tests for alternate routes, malformed or absent credentials, recovery flows, and proxy-derived identity.

Authoritative sources

Complete CVE record and remediation plan

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