Description
For Realtek AmebaD devices, a heap-based buffer overflow was discovered in Ameba-AIoT ameba-arduino-d before version 3.1.9 and ameba-rtos-d before commit c2bfd8216a1cbc19ad2ab5f48f372ecea756d67a on 2025/07/03. In the WLAN driver defragment function, lack of validation of the size of fragmented Wi-Fi frames may lead to a heap-based buffer overflow.
Published: 2025-07-09
Score: 5.4 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2025-20832 For Realtek AmebaD devices, a heap-based buffer overflow was discovered in Ameba-AIoT ameba-arduino-d before version 3.1.9 and ameba-rtos-d before commit c2bfd8216a1cbc19ad2ab5f48f372ecea756d67a on 2025/07/03. In the WLAN driver defragment function, lack of validation of the size of fragmented Wi-Fi frames may lead to a heap-based buffer overflow.
History

Mon, 22 Sep 2025 16:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-122
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 08 Sep 2025 15:00:00 +0000

Type Values Removed Values Added
Description DO NOT USE THIS CVE RECORD. ConsultIDs: none. Reason: This record was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: none. For Realtek AmebaD devices, a heap-based buffer overflow was discovered in Ameba-AIoT ameba-arduino-d before version 3.1.9 and ameba-rtos-d before commit c2bfd8216a1cbc19ad2ab5f48f372ecea756d67a on 2025/07/03. In the WLAN driver defragment function, lack of validation of the size of fragmented Wi-Fi frames may lead to a heap-based buffer overflow.
References

Tue, 22 Jul 2025 15:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-122
CPEs cpe:2.3:a:realtek:ameba-rtos-d:*:*:*:*:*:*:*:*
cpe:2.3:a:realtek:ameba_arduino_sdk:*:*:*:*:*:*:*:*
Vendors & Products Realtek
Realtek ameba-rtos-d
Realtek ameba Arduino Sdk
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N'}

Tue, 22 Jul 2025 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 22 Jul 2025 14:30:00 +0000

Type Values Removed Values Added
Description For Realtek AmebaD devices, a heap-based buffer overflow was discovered in Ameba-AIoT ameba-arduino-d before version 3.1.9 and ameba-rtos-d before commit c2bfd8216a1cbc19ad2ab5f48f372ecea756d67a on 2025/07/03. In the WLAN driver defragment function, lack of validation of the size of fragmented Wi-Fi frames may lead to a heap-based buffer overflow. DO NOT USE THIS CVE RECORD. ConsultIDs: none. Reason: This record was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: none.

Fri, 18 Jul 2025 18:00:00 +0000

Type Values Removed Values Added
First Time appeared Realtek
Realtek ameba-rtos-d
Realtek ameba Arduino Sdk
CPEs cpe:2.3:a:realtek:ameba-rtos-d:*:*:*:*:*:*:*:*
cpe:2.3:a:realtek:ameba_arduino_sdk:*:*:*:*:*:*:*:*
Vendors & Products Realtek
Realtek ameba-rtos-d
Realtek ameba Arduino Sdk

Tue, 15 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00027}

 epss

{'score': 0.0003}

Wed, 09 Jul 2025 21:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-122
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 09 Jul 2025 16:15:00 +0000

Type Values Removed Values Added
Description A buffer overflow was discovered in Ameba-AIoT ameba-arduino-d before 3.1.9 and ameba-rtos-d before commit c2bfd8216a1cbc19ad2ab5f48f372ecea756d67a on 2025/07/03 in Realtek AmebaD devices. In the WLAN driver defragment function, lack of validation of the size of fragmented Wi-Fi frames may lead to a buffer overflow. For Realtek AmebaD devices, a heap-based buffer overflow was discovered in Ameba-AIoT ameba-arduino-d before version 3.1.9 and ameba-rtos-d before commit c2bfd8216a1cbc19ad2ab5f48f372ecea756d67a on 2025/07/03. In the WLAN driver defragment function, lack of validation of the size of fragmented Wi-Fi frames may lead to a heap-based buffer overflow.

Wed, 09 Jul 2025 16:00:00 +0000

Type Values Removed Values Added
Description A buffer overflow was discovered in Ameba-AIoT ameba-arduino-d before 3.1.9 and ameba-rtos-d before commit c2bfd8216a1cbc19ad2ab5f48f372ecea756d67a on 2025/07/03 in Realtek AmebaD devices. In the WLAN driver defragment function, lack of validation of the size of fragmented Wi-Fi frames may lead to a buffer overflow.
References

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-09-22T15:28:13.942Z

Reserved: 2025-06-06T00:00:00.000Z

Link: CVE-2025-49604

cve-icon Vulnrichment

Updated: 2025-07-09T20:46:03.345Z

cve-icon NVD

Status : Deferred

Published: 2025-07-09T16:15:24.137

Modified: 2026-04-15T00:35:42.020

Link: CVE-2025-49604

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses