by Kastro
Paper/Archive/CVE-2025-7921

CVE-2025-7921

ASKEY RTF8207w — ASKEY｜modem - Stack-based Buffer Overflow

EPSS 1.0%CVSS 9.8
critical.is priorityof 100
42
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 61.4.614 × 2012.3No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
RTF8207w< R82XXR250718R82XXR250718CNA
RTF8217< R82XXR250718R82XXR250718CNA

Scores by source

twcert (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
twcert (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

writeuptwcert.org.tw/tw/cp-132-10268-1583b-1.htmlwriteuptwcert.org.tw/en/cp-139-10269-c9839-2.html