Vulnerability · Published Feb 9, 2021 · Assigned by siemens
CVE-2021-25666
Medium 4.3
In plain English
A medium-severity resource allocation without limits in SCALANCE W780 and W740 (IEEE 802.11n) family from Siemens. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 53% of all known vulnerabilities).
Severity (CVSS NVD)4.3Medium
Exploit odds (30 days)0.7%top 46.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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 products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Siemens | SCALANCE W780 and W740 (IEEE 802.11n) family | All versions < V6.3 |
Weakness: CWE-770
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-686152.pdf x_refsource_MISC
- https://us-cert.cisa.gov/ics/advisories/icsa-21-040-07 x_refsource_MISC