CVE-2025-7921

CRITICAL

ASKEY RTF8207w and RTF8217 < R82XXR250718 - Unauthenticated Stack-based Buffer Overflow

Title source: llm
STIX 2.1

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.

References (2)

Core 2
Core References
Various Sources third-party-advisory
https://www.twcert.org.tw/tw/cp-132-10268-1583b-1.html
Various Sources third-party-advisory
https://www.twcert.org.tw/en/cp-139-10269-c9839-2.html

Scores

CVSS v3 9.8
EPSS 0.0082
EPSS Percentile 52.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-121
Status published
Products (2)
ASKEY/RTF8207w < R82XXR250718
ASKEY/RTF8217 < R82XXR250718
Published Jul 21, 2025
Tracked Since Feb 18, 2026