Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.
CVE-2021-25666 Details
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 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://cert-portal.siemens.com/productcert/pdf/ssa-686152.pdf | CVE | Vendor Advisory |
| https://us-cert.cisa.gov/ics/advisories/icsa-21-040-07 | CVE | Third Party AdvisoryVDB Entry |
| https://cert-portal.siemens.com/productcert/pdf/ssa-686152.pdf | [email protected] | Vendor Advisory |
| https://us-cert.cisa.gov/ics/advisories/icsa-21-040-07 | [email protected] | Third Party AdvisoryVDB Entry |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-770 | Allocation of Resources Without Limits or Throttling | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| siemens scalance w780 firmware | < 6.3 |
CPE
Remediation
| |
| siemens scalance w780 | All versions |
CPE
Remediation
| |
| siemens scalance w740 firmware | < 6.3 |
CPE
Remediation
| |
| siemens scalance w740 | All versions |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Nov 21, 2024 | CVE Modified | CVE |
| May 14, 2024 | CVE Modified | [email protected] |
| Feb 12, 2021 | Initial Analysis | [email protected] |
| Feb 12, 2021 | CVE Modified | [email protected] |