CVSS v3
7.2
HIGH
EPSS Score
1.4 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
SOOTEWAY Wi-Fi Range Extender v1.5 was discovered to use default credentials (the admin password for the admin account) to access the TELNET service, allowing attackers to erase/read/write the firmware remotely.
Technical details
- Published
- 2022-05-20
Frequently asked questions
What is CVE-2021-30028?
SOOTEWAY Wi-Fi Range Extender v1.5 was discovered to use default credentials (the admin password for the admin account) to access the TELNET service, allowing attackers to erase/read/write the firmware remotely.
Is CVE-2021-30028 actively exploited?
Active exploitation of CVE-2021-30028 has not been confirmed. Its EPSS score was 1.4% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-30028?
CVE-2021-30028 has a CVSS v3 base score of 7.2 (HIGH severity).
Is CVE-2021-30028 affecting your environment?
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