CVE-2021-46315

Remote Command Execution (RCE) vulnerability exists in HNAP1/control/SetWizardConfig.php in D-Link Router DIR-846 DIR846A1_FW100A43.bin and DIR846enFW100A53DLA-Retail.bin. Malicoius users can use this vulnerability to use "\ " or backticks in the shell metacharacters in the ssid0 or ssid1 parameters to cause arbitrary command execution. Since CVE-2019-17510 vulnerability has not been patched and improved www/hnap1/control/setwizardconfig.php, can also use line breaks and backquotes to bypass.

CVSS v3.1

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

CVSS v2.0

10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C

EPSS

6.57% chance of exploitation in the next 30 days, 93th percentile

Published

2022-02-17

Updated

2024-08-04

Proof-of-concept exploits (1)

• doudoudedi/DIR-846_Command_Injection/blob/main/DIR-846_Command_Injection1.md

References

• CVE Record
• NVD entry

Related

• CVE-2019-17621
• CVE-2021-39509
• CVE-2021-39510
• CVE-2021-40546
• CVE-2021-43711
• CVE-2021-45382