CVE-2021-25666
Last modified
CVE-2021-25666 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. 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.. EPSS estimates a 0.69% chance of exploitation in the next 30 days.
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:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Siemens | Scalance W780 Firmware | < 6.3 |
| Siemens | Scalance W740 Firmware | < 6.3 |
References
- https://us-cert.cisa.gov/ics/advisories/icsa-21-040-07Third Party Advisory, VDB Entry
- https://us-cert.cisa.gov/ics/advisories/icsa-21-040-07Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
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