High severity8.8NVD Advisory· Published Apr 25, 2021· Updated Jun 17, 2026

CVE-2021-31718

Description

The server in npupnp before 4.1.4 is affected by DNS rebinding in the embedded web server (including UPnP SOAP and GENA endpoints), leading to remote code execution.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Npupnp Project/Npupnp
cpe:2.3:a:npupnp_project:npupnp:*:*:*:*:*:*:*:*
Range: <4.1.4
npupnp/npupnpdescription
npupnp/npupnpllm-fuzzy
Range: <4.1.4

Patches

Vulnerability mechanics

References

www.openwall.com/lists/oss-security/2021/04/25/2nvdMailing ListThird Party Advisory
framagit.org/medoc92/npupnpnvdThird Party Advisory
www.lesbonscomptes.com/upmpdcli/npupnp-doc/libnpupnp.htmlnvdThird Party Advisory

News mentions

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epss	0.001
exploit	0.000
kev	0.000
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ransomware	0.000