CVE-2025-7921

CRITICAL EPSS 52.8%
Published Jul 21, 202511mo ago · Modified Jun 17, 20261w ago
9.3 CVSS 4.0
Critical
Find Similar
Published Jul 21, 2025 11mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
9.3
Exploitability
Impact
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
52.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-121

References 2

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.