CVSS v3
8.8
HIGH
EPSS Score
2.5 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
An authenticated attacker can execute arbitrary commands as root in Terramaster F4-210, F2-210 TOS 4.2.X (4.2.15-2107141517) by injecting a maliciously crafted input in the request through /tos/index.php?app/hand_app.
Technical details
- Published
- 2022-04-25
Frequently asked questions
What is CVE-2021-45836?
An authenticated attacker can execute arbitrary commands as root in Terramaster F4-210, F2-210 TOS 4.2.X (4.2.15-2107141517) by injecting a maliciously crafted input in the request through /tos/index.php?app/hand_app.
Is CVE-2021-45836 actively exploited?
Active exploitation of CVE-2021-45836 has not been confirmed. Its EPSS score was 2.5% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-45836?
CVE-2021-45836 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2021-45836 affecting your environment?
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