CVE-2021-30028
SOOTEWAY Wi-Fi Range Extender v1.5 was discovered to use default credentials (the admin password...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-30028- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 9.0 High
AV:N/AC:L/Au:S/C:C/I:C/A:C - Weakness
- CWE-287
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2021-30028- Updated
- 2026-11-02
EUVDEUVD-2021-16972 No score
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.
- Record
EUVD-2021-16972- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-342q-q4xm-99r7
SOOTEWAY Wi-Fi Range Extender v1.5 was discovered to use default credentials (the admin password...
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.
- Record
GHSA-342q-q4xm-99r7- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-306
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-30028 is a high vulnerability (CVSS 7.2) in Sooteway Wi-fi Range Extender Project Wi-fi Range Extender, published May 20, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.43%, the 73rd percentile. No source names a fixed version.
