CVE-2021-46314

high-risk
Published 2022-02-17

A Remote Command Execution (RCE) vulnerability exists in HNAP1/control/SetNetworkTomographySettings.php of D-Link Router DIR-846 DIR846A1_FW100A43.bin and DIR846enFW100A53DLA-Retail.bin because backticks can be used for command injection when judging whether it is a reasonable domain name.

Do I need to act?

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23.5% chance of exploitation in next 30 days
EPSS score — higher than 77% 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 (2)

Affected Vendors

Dlink

References (4)

Exploit https://github.com/doudoudedi/DIR-846_Command_Injection/blob/main/DIR-846_Comman...
Vendor Advisory https://www.dlink.com/en/security-bulletin/
Exploit https://github.com/doudoudedi/DIR-846_Command_Injection/blob/main/DIR-846_Comman...
Vendor Advisory https://www.dlink.com/en/security-bulletin/
53
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 14/34 · Moderate
Exposure 7/34 · Low