Certain modem models developed by Askey has a Stack-based Buffer Overflow vulnerability, allowing unauthenticated remote attackers to control the program's execution flow and potentially execute arbitrary code.
Fixes

Solution

Update firmware to version R82XXR250718 or later


Workaround

No workaround given by the vendor.

History

Mon, 21 Jul 2025 13:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 21 Jul 2025 07:00:00 +0000

Type Values Removed Values Added
Description Certain modem models developed by Askey has a Stack-based Buffer Overflow vulnerability, allowing unauthenticated remote attackers to control the program's execution flow and potentially execute arbitrary code.
Title ASKEY|modem - Stack-based Buffer Overflow
Weaknesses CWE-121
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: twcert

Published:

Updated: 2025-07-21T12:35:59.137Z

Reserved: 2025-07-21T01:58:29.398Z

Link: CVE-2025-7921

cve-icon Vulnrichment

Updated: 2025-07-21T12:35:55.612Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-07-21T07:15:25.300

Modified: 2025-07-22T13:06:07.260

Link: CVE-2025-7921

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.