CVEvulnerability
CVE-2021-25666
4.3 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-02-09
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 4.3 MEDIUM — CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- CVSS 2.0 ([email protected])
- 3.3 LOW — AV:A/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-770
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.
Affected configurations
• siemens scalance w780 firmware (< 6.3)
• siemens scalance w740 firmware (< 6.3)
Related
Weakness · CWE (1)
- CWE-770 Allocation of Resources Without Limits or Throttling weakness
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-686152.pdf Vendor Advisory
- https://us-cert.cisa.gov/ics/advisories/icsa-21-040-07 Third Party Advisory, VDB Entry
- https://cert-portal.siemens.com/productcert/pdf/ssa-686152.pdf Vendor Advisory
- https://us-cert.cisa.gov/ics/advisories/icsa-21-040-07 Third Party Advisory, VDB Entry