CVE-2026-107159: Miniupnp Project Miniupnpd

Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days.

MiniUPnPd through 2.3.11 built with --strict contains a divide-by-zero vulnerability in ProcessSSDPData() that allows unauthenticated local network attackers to crash the daemon. Attackers can send a single multicast M-SEARCH datagram with MX: 0 and a known ST to port 1900, triggering SIGFPE and denying UPnP IGD service.

Affected products

• Miniupnp Project Miniupnpd: up to and including 2.3.11

Published 2026-10-07. Last modified 2026-10-07.