CVE-2021-45837 is a critical unauthenticated remote code execution vulnerability affecting TerraMaster F2-210 and F4-210 NAS devices running TOS 4.2.X (specifically 4.2.15-2107141517 and earlier). An attacker can achieve root-level command execution by sending a specially crafted input to the /tos/index.php?app/del endpoint. With a CVSS score of 9.8 (Critical), this vulnerability requires no user interaction or authentication, making it easily exploitable over the network. While not listed on CISA's KEV catalog, a Metasploit module exists for exploitation, indicating readily available exploit code and an elevated risk despite limited public discussion or media coverage.
| 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
No social media mentions found for this CVE.
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.