Is CVE-2026-110656 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-110656?

CVE-2026-110656 has a CVSS v3 severity of LOW (3.1).

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CVE-2026-110656

Description

miniupnpc through 2.3.3 contains a one-byte heap out-of-bounds read vulnerability in the minixml parseelt function's namespace-prefix handling that skips an end-of-buffer check after advancing past ':'. A malicious or spoofed UPnP gateway on the local network can send a device description or SOAP reply ending in ':' within an element name to crash the client.