Amazon Web Services (AWS) FreeRTOS through 1.3.1, FreeRTOS up to V10.0.1 (with FreeRTOS+TCP), and WITTENSTEIN WHIS Connect middleware TCP/IP component allow remote attackers to execute arbitrary code or leak information because of a Buffer Overflow during parsing of DNS\LLMNR packets in prvParseDNSReply
Published Dec 6, 2018
8.1
HIGHCVSS 3.0
EPSS 4.44%
Description
Amazon Web Services (AWS) FreeRTOS through 1.3.1, FreeRTOS up to V10.0.1 (with FreeRTOS+TCP), and WITTENSTEIN WHIS Connect middleware TCP/IP component allow remote attackers to execute arbitrary code or leak information because of a Buffer Overflow during parsing of DNS\LLMNR packets in prvParseDNSReply.
Affected products
No data.
- ≤ 1.3.1
- ≤ 10.0.1
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:M/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (19 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.44% (0.04443) | 91.10th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.46% (0.04459) | 90.17th | v5 (v2026.06.15) |
| Apr 8, 2026 | 8.30% (0.08304) | 92.25th | v4 (v2025.03.14) |
| Nov 6, 2025 | 7.26% (0.07264) | 91.23th | v4 (v2025.03.14) |
| Mar 30, 2025 | 8.28% (0.08281) | 91.44th | v4 (v2025.03.14) |
| Mar 29, 2025 | 14.59% (0.14594) | 90.81th | v4 (v2025.03.14) |
| Mar 17, 2025 | 8.28% (0.08281) | 91.63th | v4 (v2025.03.14) |
| Dec 17, 2024 | 2.40% (0.02396) | 89.59th | v3 (v2023.03.01) |
| Dec 12, 2024 | 3.72% (0.03721) | 92.13th | v3 (v2023.03.01) |
| Apr 28, 2024 | 3.29% (0.03289) | 91.18th | v3 (v2023.03.01) |
| Nov 30, 2023 | 3.00% (0.03003) | 89.84th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.98% (0.02979) | 89.33th | v3 (v2023.03.01) |
| Mar 6, 2023 | 5.63% (0.05634) | 90.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 5.63% (0.05634) | 89.29th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.63% (0.05634) | 76.84th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.94% (0.01940) | 48.31th | v1 |
| Jan 6, 2022 | 1.94% (0.01940) | 47.78th | v1 |
| Sep 1, 2021 | 1.94% (0.01940) | 76.33th | v1 |
| Apr 14, 2021 | 1.94% (0.01940) | 0.00th | v1 |
No CWE recorded.
References (3)
- https://blog.zimperium.com/freertos-tcpip-stack-vulnerabilities-details/ x_refsource_MISCExploitThird Party Advisory
- https://blog.zimperium.com/freertos-tcpip-stack-vulnerabilities-put-wide-range-devices-risk-compromise-smart-homes-critical-infrastructure-systems/ x_refsource_MISCThird Party Advisory
- https://github.com/aws/amazon-freertos/blob/v1.3.2/CHANGELOG.md x_refsource_CONFIRMRelease NotesThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://blog.zimperium.com/freertos-tcpip-stack-vulnerabilities-details/ | x_refsource_MISCExploitThird Party Advisory | |
| https://blog.zimperium.com/freertos-tcpip-stack-vulnerabilities-put-wide-range-devices-risk-compromise-smart-homes-critical-infrastructure-systems/ | x_refsource_MISCThird Party Advisory | |
| https://github.com/aws/amazon-freertos/blob/v1.3.2/CHANGELOG.md | x_refsource_CONFIRMRelease NotesThird Party Advisory |
Change history (0)
No recorded changes yet.