CVE-2021-46314

CRITICAL

D-Link DIR-846 Firmware - Remote Command Execution via HNAP1 SetNetworkTomographySettings Domain Validation

Title source: llm

Description

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.

References (2)

Core 2

Core References

Vendor Advisory x_refsource_misc

https://www.dlink.com/en/security-bulletin/

Exploit, Third Party Advisory x_refsource_misc

https://github.com/doudoudedi/DIR-846_Command_Injection/blob/main/DIR-846_Command_Injection1.md

View Exploit ZIP pw:eip

Scores

CVSS v3 9.8

EPSS 0.2347

EPSS Percentile 96.0%

Attack Vector NETWORK

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

Details

CWE

CWE-78

Status published

Products (2)

dlink/dir-846_firmware 100a43

dlink/dir-846_firmware 100a53dla

Published Feb 17, 2022

Tracked Since Feb 18, 2026