CVE-2021-25666
Medium
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.
SeverityMedium
CVSS4.3
Exploit probability—
ProductSiemens Scalance W780 Firmware
PublishedFeb 9, 2021
First seenFeb 9, 2021
Weakness typeCWE-770Allocation of resources without limits
How to fix
Update
- siemens scalance_w780_firmware6.3 or later
- siemens scalance_w740_firmware6.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| siemens scalance_w780_firmware | v < 6.3 | 6.3 |
| siemens scalance_w740_firmware | v < 6.3 | 6.3 |
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