Vulnerability · Published Sep 12, 2025 · Assigned by Silabs
CVE-2025-7448Man in the middle (MitM) attack vulnerability in Wi-SUN library
High 8.6
In plain English
A high-severity authentication bypass by spoofing in Wi-SUN Stack from silabs.com. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities).
Severity (CVSS 4.0)8.6High
Exploit odds (30 days)0.2%top 92.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Wi-SUN unexpected 4- Way Handshake packet receptions may lead to predictable keys and potentially leading to Man in the middle (MitM) attack
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| silabs.com | Wi-SUN Stack | 2.6.0 |
Weakness: CWE-290 · Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
References
- https://docs.silabs.com/sisdk-release-notes/latest/sisdk-wisun-release-notes/ release-notes
- https://community.silabs.com/068Vm00000UtuIG vendor-advisory, permissions-required