CVE-2025-7921CRITICAL 9.8EPSS p51.4%

CVE-2025-7921CVE-2025-7921

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.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.79% probability of exploitation · percentile 51.4% · 2026-06-18T12:00:27Z
Published2025-07-21
Last modified2026-04-15

Underlying weaknesses· 1

CWE-121

References

  1. https://www.twcert.org.tw/en/cp-139-10269-c9839-2.html
  2. https://www.twcert.org.tw/tw/cp-132-10268-1583b-1.html

1

TypeTargetConfidenceTier
WeaknessStack-based Buffer Overflowcwe-1210%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.