CVE-2021-25666

MediumCVSS 4.3/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness enumeration

CWE-770

Affected software

VendorProductVersions
SiemensSCALANCE W780 and W740 (IEEE 802.11n) familyAll versions < V6.3

References

Timeline

Published
Feb 9, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-25666: Medium severity, CVSS 4.3 | Vulnix