CVE-2021-25666

EPSS 0.7%CWE-770

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.7%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

09 Feb 2021Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

Affected products

Siemens · SCALANCE W780 and W740 (IEEE 802.11n) family

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References

https://cert-portal.siemens.com/productcert/pdf/ssa-686152.pdf https://us-cert.cisa.gov/ics/advisories/icsa-21-040-07