Security readout for executives and security teams
This CVE describes root-level remote command execution in TerraMaster F4-210 and F2-210 NAS devices running TOS 4.2.x, specifically 4.2.15-2107141517. A successful attacker could control the device with root privileges. Sources do not confirm active exploitation or a vendor fix. Highest concern is TerraMaster F4-210 or F2-210 NAS management interfaces reachable from the internet or untrusted networks. Internal-only devices still matter because compromise grants root control over storage infrastructure. Treat this as a high-priority exposure issue if any affected TerraMaster NAS is reachable from the internet. Root-level NAS compromise can affect sensitive files, backups, and business continuity. Prioritize isolation and vendor remediation checks. Mitigation focus: Inventory TerraMaster F4-210 and F2-210 devices and record exact TOS versions.; Remove direct internet exposure for TOS management interfaces.; Restrict management access to trusted networks or VPN users only..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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CVE-2021-45837 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://thatsn0tmy.site/posts/2021/12/how-to-summon-rces/CVE reference
Products and packages named in the record
CWE details
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