CVE-2021-45840
9.8
CRITICAL · CVSS 3.1 · EPSS 3.9% (pctl 90)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
It is possible to execute arbitrary commands as root in Terramaster F4-210, F2-210 TOS 4.2.X (4.2.15-2107141517) by sending specifically crafted input to /tos/index.php?app/app_start_stop.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 3.88% — more likely to be exploited than 90% of all CVEs |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2022-04-25 |
| Last modified | 2026-06-17 |
Affected (3)
| Vendor | Product |
|---|---|
| terra-master | f2-210 |
| terra-master | f4-210 |
| terra-master | tos |
References
→ the Explorer · watch your stack · NVD