VULNERABILITY INTELLIGENCE

CVE-2021-25666

CVSS score4.3 MEDIUM
EPSS probability0.69%
CISA KEVNot currently listed
Published2021-02-09
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

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.

Weakness classification

  • productcert@siemens.com: CWE-770

Primary references