CVE-2021-32534: QSAN SANOS - Command Injection

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-07-07 · updated 2026-06-17
Weakness: CWE-78

Description

QSAN SANOS factory reset function does not filter special parameters. Remote attackers can use this vulnerability to inject and execute arbitrary commands without permissions. The referred vulnerability has been solved with the updated version of QSAN SANOS v2.1.0.

Affected products

QSAN SANOS: before 2.1.0 — fixed in 2.1.0

How to fix

Upgrade to a fixed version: QSAN SANOS 2.1.0. Check the vendor advisory for mitigations.

References

https://www.twcert.org.tw/tw/cp-132-4891-94707-1.html
https://www.twcert.org.tw/tw/cp-132-4891-94707-1.html

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