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…
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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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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
terra-master terramaster_operating_system terra-master:terramaster_operating_system | before 4.2.31 | NVD |
References
- https://forum.terra-master.com/en/viewforum.php?f=28issue-tracking, release-notes
- https://www.broadcom.com/support/security-center/attacksignatures/detail?asid=33732third-party-advisory
- https://github.com/0xf4n9x/CVE-2022-24990exploit, 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.htmlexploit, third-party-advisory, vdb-entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-24990us-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.