CVE-2021-43118
high-risk
Published 2022-03-29
A Remote Command Injection vulnerability exists in DrayTek Vigor 2960 1.5.1.3, DrayTek Vigor 3900 1.5.1.3, and DrayTek Vigor 300B 1.5.1.3 via a crafted HTTP message containing malformed QUERY STRING in mainfunction.cgi, which could let a remote malicious user execute arbitrary code.
Do I need to act?
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32.1% chance of exploitation in next 30 days
EPSS score — higher than 68% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10
Critical
NETWORK
/ LOW complexity
Affected Products (3)
Affected Vendors
57
/ 100
high-risk
Severity
32/34 · Critical
Exploitability
16/34 · Moderate
Exposure
9/34 · Low