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.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

No data.

No data.

No data.

References
Link Providers
https://github.com/Ameba-AIoT/ameba-arduino-d/pull/281 cve-icon cve-icon
https://github.com/Ameba-AIoT/ameba-arduino-d/releases/tag/V3.1.9 cve-icon cve-icon
https://www.amebaiot.com/en/security-bulletin-cve-2025-49604/ cve-icon cve-icon
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 Reason: This record was withdrawn by its CNA.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
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2025-07-09T00:00:00.000Z

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 : Undergoing Analysis

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

Modified: 2025-09-22T16:15:43.513

Link: CVE-2025-49604

cve-icon Redhat

No data.