TerraMaster OS Remote Command Execution Vulnerability

HIGH 7.5EXPLOITED (CISA KEV)CVE-2022-24990 · Published 07/02/2023 · updated 17/06/2026

TerraMaster OS Remote Command Execution Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 10/02/2023. Patch affected systems as an emergency. It is known to be used in ransomware campaigns.

Package	Affected versions	Patched versions
TerraMaster OS TerraMaster	Versions not published yet (product named by CISA KEV)

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.

References

packetstormsecurity.com/files/172904/TerraMaster-TOS-4.2.29-Remote-Code-Execution.html · Exploit
forum.terra-master.com/en/viewforum.php · Issue Tracking
0xf4n9x/CVE-2022-24990 · Exploit
octagon.net/blog/2022/03/07/cve-2022-24990-terrmaster-tos-unauthenticated-remote-command-execution-via-php-object-instantiation · Exploit
broadcom.com/support/security-center/attacksignatures/detail · Third Party Advisory
cisa.gov/known-exploited-vulnerabilities-catalog · US Government Resource
CISA KEV · CVE-2022-24990

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Scan my site free