What’s Vulnerable › Vulnerabilities

CVE-2021-45839

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 9.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-04-25 · updated 2026-06-17

Description

It is possible to obtain the first administrator's hash set up on the system in Terramaster F4-210, F2-210 TOS 4.2.X (4.2.15-2107141517) as well as other information such as MAC address, internal IP address etc. by performing a request to the /module/api.php?mobile/webNasIPS endpoint.

Affected products

• Terra-Master Tos: 4.2.15-2107141517

References

• http://packetstormsecurity.com/files/172881/TerraMaster-TOS-4.2.15-Remote-Code-Execution.html
• https://thatsn0tmy.site/posts/2021/12/how-to-summon-rces/
• http://packetstormsecurity.com/files/172881/TerraMaster-TOS-4.2.15-Remote-Code-Execution.html
• https://thatsn0tmy.site/posts/2021/12/how-to-summon-rces/

Get alerted when CVE-2021-45839 or the next vulnerability affects your stack