CVE-2021-42877
TOTOLINK EX1200T V4.1.2cu.5215 contains a denial of service vulnerability in function...
TOTOLINK EX1200T V4.1.2cu.5215 contains a denial of service vulnerability in function RebootSystem of the file lib/cste_modules/system which can reboot the system.
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
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
TOTOLINK EX1200T V4.1.2cu.5215 contains a denial of service vulnerability in function RebootSystem of the file lib/cste_modules/system which can reboot the system.
- Record
CVE-2021-42877- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 7.8 High
AV:N/AC:L/Au:N/C:N/I:N/A:C - Updated
- 2026-11-02
CVE List No score
TOTOLINK EX1200T V4.1.2cu.5215 contains a denial of service vulnerability in function RebootSystem of the file lib/cste_modules/system which can reboot the system.
- Record
CVE-2021-42877- Updated
- 2026-11-02
EUVDEUVD-2021-29832 No score
TOTOLINK EX1200T V4.1.2cu.5215 contains a denial of service vulnerability in function RebootSystem of the file lib/cste_modules/system which can reboot the system.
- Record
EUVD-2021-29832- Updated
- 2026-11-02
GitHub AdvisoriesGHSA-mqjp-8xpc-4xf9
TOTOLINK EX1200T V4.1.2cu.5215 contains a denial of service vulnerability in function...
TOTOLINK EX1200T V4.1.2cu.5215 contains a denial of service vulnerability in function RebootSystem of the file lib/cste_modules/system which can reboot the system.
- Record
GHSA-mqjp-8xpc-4xf9- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-42877 is a high vulnerability (CVSS 7.5) in Totolink Ex1200t Firmware, published June 2, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.70%, the 77th percentile. No source names a fixed version.