High severity8.8NVD Advisory· Published Mar 13, 2026· Updated Apr 27, 2026

CVE-2026-25817

Description

HMS Networks Ewon Flexy with firmware before 15.0s4, Cosy+ with firmware 22.xx before 22.1s6, and Cosy+ with firmware 23.xx before 23.0s3 have improper neutralization of special elements used in an OS command allowing remote code execution by attackers with low privilege access on the gateway, provided the attacker has credentials.

AI Insight

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

Affected products

HMS Networks/Ewon Flexyllm-fuzzy
Range: <15.0s4

Patches

Vulnerability mechanics

References

hmsnetworks.blob.core.windows.net/nlw/docs/default-source/products/cybersecurity/security-advisory/hms-security-advisory-2026-03-09-001---ewon-several-flexy-and-cosy--vulnerabilities.pdfnvd
www.hms-networks.com/p/flexy20500-00ma-ewon-flexy-205nvd

News mentions

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