Critical 9.8
CVE-2026-87121
lwIP TCP/IP Stack MQTT Client Application Vulnerability (CVE-2026-87121)
Vendor / product: lwIP TCP/IP Stack MQTT Client Application
Public PoC: Yes
First tracked by RiskWire: 2026-09-23
Sources & citations (1)
- lwIP TCP/IP Stack MQTT Client Application cisa.gov · 2026-09-22
References
See CVE-2026-87121 in context
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