What’s Vulnerable › Vulnerabilities

CVE-2022-24990: TerraMaster OS Remote Command Execution Vulnerability

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2023-02-10
• EPSS: 83.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-02-07 · updated 2026-06-17
• Weakness: CWE-306

Description

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.

Affected products

• Terra-Master Terramaster Operating System: before 4.2.31 — fixed in 4.2.31

How to fix

Upgrade to a fixed version: Terra-Master Terramaster Operating System 4.2.31. Check the vendor advisory for mitigations.

References

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

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