Which products and versions are affected by CVE-2021-46314?

Affected: Dir-846 Firmware (Dlink) versions 100a43, 100a53dla. The full list is in the CVE brief.

Is CVE-2021-46314 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2021-46314 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2021-46314?

No public exploit code is known.

Is there a fix for CVE-2021-46314?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2021-46314 be patched?

Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.

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WatchlistCritical

CVE-2021-46314Dir-846 Firmware OS Command Injection

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…

Published Feb 17, 2022 · Updated Nov 21, 2024

Key Facts

Patch in the next maintenance window

CVE-2021-46314 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Dir-846 Firmware (Dlink).
It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
EPSS estimates a 33% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.

Scores

CVSS v3.1

9.8

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

EPSS (30-day exploit likelihood)

33%

Higher than 98.3% of all scored CVEs

Exploit maturity

Proof of concept

ATLAS score

39/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Not listed

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Proof of concept

Public exploit code

Proof-of-concept links

In-the-wild evidence

Reports of active use

Advisories And Exploit References

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

Description

Affected Products

2 affected entries in total

Product	Affected versions	Fixed in
Dir-846 FirmwareDlink	100a43, 100a53dla	n/a

Timeline

Publicly disclosed
Feb 17, 2022
Last updated
Nov 21, 2024

Weakness Type

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

References

advisorydlink.com · security-bulletin
exploitgithub.com · DIR-846_Command_Injection1.md

FAQ

Common Questions.

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.
Affected: Dir-846 Firmware (Dlink) versions 100a43, 100a53dla. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.

Is CVE-2021-46314 On Your Attack Surface?

Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.