CVE-2021-46319 - CVE House
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Status published Critical CVE-2021-46319

Remote Code Execution (RCE) vulnerability exists in D-Link Router DIR-846...

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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CVE-2022-47035
Buffer Overflow Vulnerability in D-Link DIR-825 v1.33.0.44ebdd4-embedded and below allows...
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CVE-2022-46642
D-Link DIR-846 A1_FW100A43 was discovered to contain a command injection...
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CVE-2022-46641
D-Link DIR-846 A1_FW100A43 was discovered to contain a command injection...
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Affected Vendor

Affected Software

dir-846 firmware
Vulnerable Versions:
100a43, 100a53dla

Timeline

Official Publish: February 17th, 2022
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.