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CVE-2025-7921

Critical

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.

SeverityCritical
CVSS9.8
Exploit probability—
ProductRTF8207w
PublishedJul 21, 2025
First seenJul 21, 2025
Weakness typeCWE-121CWE-121

How to fix

Update
  • ASKEY RTF8207wR82XXR250718 or later
  • ASKEY RTF8217R82XXR250718 or later

Affected products

ProductAffected versionsFixed in
ASKEY RTF8207wv < R82XXR250718R82XXR250718
ASKEY RTF8217v < R82XXR250718R82XXR250718

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