Vulnerability · Published Oct 17, 2025 · Assigned by Silabs
CVE-2025-8414Zigbee Green Power Host Buffer Overflow Vulnerability
Critical 9.4
In plain English
A critical-severity improper input validation in Gecko SDK 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 0.3% (higher than 21% of all known vulnerabilities).
Severity (CVSS 4.0)9.4Critical
Exploit odds (30 days)0.3%top 79.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Due to improper input validation, a buffer overflow vulnerability is present in Zigbee EZSP Host Applications. If the buffer overflows, stack corruption is possible. In certain conditions, this could lead to arbitrary code execution. Access to a network key is required to exploit this vulnerability.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| silabs.com | Simplicity SDK | 0 – through 2025.6.00 – through 2024.12.2 |
| silabs.com | Gecko SDK | 0 – through 4.4.6 |
Weakness: CWE-20 · Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
References
- https://community.silabs.com/068Vm00000WJZED vendor-advisory, permissions-required