CVE-2021-45840 is a critical vulnerability affecting Terramaster F2-210 and F4-210 devices running TOS 4.2.X, allowing unauthenticated attackers to execute arbitrary commands as root by sending specially crafted input to a specific PHP endpoint. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network with low attack complexity, leading to complete compromise of confidentiality, integrity, and availability. While no public exploit code or active exploitation has been observed, and community discussion is minimal, the high severity warrants immediate patching.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
4.2.15-2107141517CPE matchmatch criteria | cpe:2.3:o:terra-master:tos:4.2.15-2107141517:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.