AUGUST 4, 2026
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Case File

CVE-2021-25666

MEDIUM · CVSS 4.3 EPSS 0.69%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-02-09 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 4.3. It may lead to a denial-of-service condition.

CVE
CVE-2021-25666
Severity
MEDIUM
CVSS
4.3
EPSS
0.69%

Original NVD Description

A vulnerability has been identified in SCALANCE W780 and W740 (IEEE 802.11n) family (All versions < V6.3). Sending specially crafted packets through the ARP protocol to an affected device could cause a partial denial-of-service, preventing the device to operate normally for a short period of time.

Related CVEs

Other vulnerabilities affecting the same vendor(s)