CVE-2021-43711

high-risk
Published 2022-01-04

The downloadFlile.cgi binary file in TOTOLINK EX200 V4.0.3c.7646_B20201211 has a command injection vulnerability when receiving GET parameters. The parameter name can be constructed for unauthenticated command execution.

Do I need to act?

!
20.0% chance of exploitation in next 30 days
EPSS score — higher than 80% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Ex200 Firmware

Affected Vendors

51
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 14/34 · Moderate
Exposure 5/34 · Minimal