Vulnerability in Terra-Master F2-210

CVE-2021-45837

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 a specifically crafted input to /tos/index.php?app/del.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.160 (96.8th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-45837: held from 0.157 to 0.160.

EPSS over last 30 days · oldest: 0.157 · newest: 0.160 · change: +0.002

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-45837?
CVE-2021-45837 is a critical-severity vulnerability in Terra-Master F2-210. CVSS score: 9.8/10. Published 2022-04-25.
How severe is CVE-2021-45837?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2021-45837 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.