SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2025-8414

Due to improper input validation, a buffer overflow vulnerability is present in Zigbee EZSP Host Applications.

CRITICAL 9.4EPSS 0.26%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.26%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 4.0
9.4 CRITICALCVSS: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/M
EPSS
0.26% probability · 17th percentile
CISA KEV
Not listed
Weakness
CWE-20
Source
product-security@silabs.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.