CVE-2025-7921 CRITICAL

CVE-2025-7921: ASKEY｜modem - Stack-based Buffer Overflow

Vendor Askey
Product RTF8207w
Weakness CWE-121
Published July 21, 2025
Last update July 21, 2025
View on NVD All CVEs

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS 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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

July 21, 2025 CVE published
July 21, 2025 Record updated