CVE-2021-46319

Remote Code Execution (RCE) vulnerability exists in D-Link Router DIR-846 DIR846A1_FW100A43.bin and DIR846enFW100A53DLA-Retail.bin. Malicious users can use this vulnerability to use "\ " or backticks to bypass the shell metacharacters in the ssid0 or ssid1 parameters to execute arbitrary commands.This vulnerability is due to the fact that CVE-2019-17509 is not fully patched and can be bypassed by using line breaks or backticks on its basis.

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