Zephyr Bluetooth unchecked packet data results in denial of service. Zephyr versions >= v1.14.2, >= v2.2.0 contain Improper Handling of Parameters (CWE-233). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-f6vh-7v4x-8fjp
CVSS v4.0 Metrics
Exploitability
Attack VectorAdjacent
ComplexityLow
RequirementsPresent
PrivilegesNone
User InteractionNone
Threat
Exploit MaturityPoC
Vulnerable System
ConfidentialityNone
IntegrityNone
AvailabilityLow
Subsequent System
ConfidentialityNone
IntegrityNone
AvailabilityNone
Supplemental
SafetyNegligible
AutomatableYes
RecoveryAutomatic
Value DensityConcentrated
UrgencyMedium
Change Log
| Date | Source | Changes | Score |
|---|
| 2026-07-21 | PoC | E: U→P | 0.6 → 1.3 |
| 2026-07-21 | cve.org | initial, patch: Unavailable | 0.6 |
Affected Software
| Vendor | Product | Version |
|---|
| zephyrproject | zephyr | ≤ 1.14.2 |
| zephyrproject | zephyr | ≥ 2.0.0, ≤ 2.2.0 |
| zephyrproject-rtos | zephyr | v1.14.2 |
| zephyrproject-rtos | zephyr | v2.2.0 |
Published: 2021-05-24
