CVE-2021-42889
In TOTOLINK EX1200T V4.1.2cu.5215, an attacker can obtain sensitive information (wifikey,...
In TOTOLINK EX1200T V4.1.2cu.5215, an attacker can obtain sensitive information (wifikey, wifiname, etc.) without authorization.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
In TOTOLINK EX1200T V4.1.2cu.5215, an attacker can obtain sensitive information (wifikey, wifiname, etc.) without authorization.
- Record
CVE-2021-42889- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-306
- Updated
- 2026-11-02
CVE List No score
In TOTOLINK EX1200T V4.1.2cu.5215, an attacker can obtain sensitive information (wifikey, wifiname, etc.) without authorization.
- Record
CVE-2021-42889- Updated
- 2026-11-02
EUVDEUVD-2021-29844 No score
In TOTOLINK EX1200T V4.1.2cu.5215, an attacker can obtain sensitive information (wifikey, wifiname, etc.) without authorization.
- Record
EUVD-2021-29844- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qhvc-q37m-4f22
In TOTOLINK EX1200T V4.1.2cu.5215, an attacker can obtain sensitive information (wifikey,...
In TOTOLINK EX1200T V4.1.2cu.5215, an attacker can obtain sensitive information (wifikey, wifiname, etc.) without authorization.
- Record
GHSA-qhvc-q37m-4f22- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-200
- 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-2021-42889 is a high vulnerability (CVSS 7.5) in Totolink Ex1200t Firmware, published June 3, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.45%, the 73rd percentile. No source names a fixed version.