CVE-2025-8414
Zigbee Green Power Host Buffer Overflow Vulnerability
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.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Zigbee Green Power Host Buffer Overflow Vulnerability
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.
- Record
CVE-2025-8414- CVSS 4.0
- 9.4 Critical
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 - Weakness
- CWE-20
- Updated
- 2026-11-02
EUVDEUVD-2025-34896
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.
- Record
EUVD-2025-34896- CVSS 4.0
- 9.4 Critical
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-9ppj-5fv3-g9qh
Due to improper input validation, a buffer overflow vulnerability is present in Zigbee EZSP...
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.
- Record
GHSA-9ppj-5fv3-g9qh- CVSS 4.0
- 9.4 Critical
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Weakness
- CWE-20
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2025-8414- CVSS 4.0
- 9.4 Critical
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Weakness
- CWE-20
- Updated
- 2026-11-02
OSV
Zigbee Green Power Host Buffer Overflow Vulnerability
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.
- Record
CVE-2025-8414- CVSS 4.0
- 9.4 Critical
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 - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-8414 is a critical vulnerability (CVSS 9.4) in Silabs.com Gecko Sdk, published October 17, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.28%, the 20th percentile. No source names a fixed version.