CVE-2025-7921

9.3 criticalEPSS 1.0%

Critical (9.3). EPSS 1.0% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

9.3 critical

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

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.0% chance of exploitation in the next 30 days; higher than 61% of CVEs (scores of 2026-10-31)
CWE: CWE-121
Published: 2025-07-21
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

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

Check your stack JSON