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CVE-2021-32534

31
FAUCET Score

CVE-2021-32534 is a critical command injection vulnerability affecting QSAN SANOS versions prior to 2.1.0. This flaw allows unauthenticated remote attackers to execute arbitrary commands by injecting special parameters into the factory reset function. With a CVSS score of 9.8, the vulnerability poses a significant risk of complete compromise (confidentiality, integrity, and availability). While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered notable community discussion, indicating awareness among security researchers.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.0.0CPE match
cpe:2.3:a:qsan:sanos:*:*:*:*:*:*:*:*
< 2.1.0CPE matchmatch criteria
cpe:2.3:a:qsan:sanos:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.92%
Probability of exploitation in next 30 days
EPSS Percentile
77.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0192 is in the 66th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

twcert.org.tw / tw/cp-132-4891-94707-1.html
Third Party Advisory