Out-of-bounds Read Affecting FreeRTOS/FreeRTOS-Plus-TCP package, versions [,4.2.6)[4.3.0,4.4.1)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-FREERTOSFREERTOSPLUSTCP-16323056
- published30 Apr 2026
- disclosed29 Apr 2026
- creditEun0us
Introduced: 29 Apr 2026
NewCVE-2026-7425 (opens in a new tab)How to fix?
Upgrade FreeRTOS/FreeRTOS-Plus-TCP to version 4.2.6, 4.4.1 or higher.
Overview
Affected versions of this package are vulnerable to Out-of-bounds Read due to insufficient validation of option length in the Router Advertisement parsing process. An attacker can trigger a device crash by sending a specially crafted IPv6 Router Advertisement containing a truncated PREFIX_INFORMATION option.