Vulnerability in Aws Freertos-plus-tcp
CVE-2025-11617
A missing validation check in FreeRTOS-Plus-TCP's IPv6 packet processing code can lead to an out-of-bounds read when receiving a IPv6 packet with incorrect payload lengths in the packet header. This issue only affects applications using IP…
EPSS: 0.001 (17.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L.
Affected products
- Aws Freertos-plus-tcp — versions 4.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/FreeRTOS/FreeRTOS-Plus-TCP/releases/tag/V4.3.4 (patch, product)
- aws.amazon.com/security/security-bulletins/AWS-2025-023/ (vendor-advisory)
- github.com/FreeRTOS/FreeRTOS-Plus-TCP/security/advisories/GHSA-wmjr-wm93-cvv2 (third-party-advisory)
Frequently asked questions
- What is CVE-2025-11617?
- CVE-2025-11617 is a medium-severity vulnerability in Aws Freertos-plus-tcp, classified under Buffer Over-read. CVSS score: 5.4/10. Published 2025-10-10.
- How severe is CVE-2025-11617?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2025-11617 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.