Critical 9.8Known exploited (CISA KEV)Published Feb 6, 2023

CVE-2022-24990TerraMaster NAS 4.2.29 and earlier allows remote attackers to discover the administrative password by sending "User-Agent: TNAS" to module/api.php?mobile/webNasIPS and then reading the PWD field in t…

Updated under an hour ago (Oct 27, 2026, 9:00 AM ET)

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It affects terra-master terramaster_operating_system. Add what you run to find out whether that includes you.

CISA lists it as known exploited since Feb 10, 2023; federal agencies had to remediate by Mar 3, 2023, and it is known to be used in ransomware. Treat that date as your deadline.

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Every CVE for terra-master terramaster_operating_system

Exploited in the last 30 days

TerraMaster NAS 4.2.29 and earlier allows remote attackers to discover the administrative password by sending "User-Agent: TNAS" to module/api.php?mobile/webNasIPS and then reading the PWD field in the response.

CVSS: 9.8 CRITICAL (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-306
Known exploited: Added to CISA KEV Feb 10, 2023; federal remediation due Mar 3, 2023; known ransomware useApply updates per vendor instructions.
EPSS (exploitation in the next 30 days): 83.17% (percentile 100)
Assigned by: mitre
NVD analysis: Analyzed
Record last updated: Oct 21, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

terra-master terramaster_operating_system terra-master:terramaster_operating_system	before 4.2.31	NVD

References

References

https://forum.terra-master.com/en/viewforum.php?f=28	issue-tracking, release-notes
https://www.broadcom.com/support/security-center/attacksignatures/detail?asid=33732	third-party-advisory
https://github.com/0xf4n9x/CVE-2022-24990	exploit, third-party-advisory
https://octagon.net/blog/2022/03/07/cve-2022-24990-terrmaster-tos-unauthenticated-remote-command-execution-via-php-object-instantiation/	exploit, third-party-advisory
http://packetstormsecurity.com/files/172904/TerraMaster-TOS-4.2.29-Remote-Code-Execution.html	exploit, third-party-advisory, vdb-entry
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-24990	us-government-resource

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.