What’s Vulnerable › Vulnerabilities

CVE-2021-45836

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-04-25 · updated 2026-06-17

Description

An authenticated attacker can execute arbitrary commands as root in Terramaster F4-210, F2-210 TOS 4.2.X (4.2.15-2107141517) by injecting a maliciously crafted input in the request through /tos/index.php?app/hand_app.

Affected products

• Terra-Master Tos: 4.2.15-2107141517

References

• https://thatsn0tmy.site/posts/2021/12/how-to-summon-rces/
• https://thatsn0tmy.site/posts/2021/12/how-to-summon-rces/

Get alerted when CVE-2021-45836 or the next vulnerability affects your stack