Cyber Resilience

CVE-2021-46456

CriticalRCE

Published: 04 February 2022

Published
04 February 2022
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0576 90.7th percentile
Risk Priority 23 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-46456 is a critical-severity Command Injection (CWE-77) vulnerability in Dlink Dir-823 Pro Firmware. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 9.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

D-Link device D-Link DIR-823-Pro v1.0.2 was discovered to contain a command injection vulnerability in the function SetWLanACLSettings. This vulnerability allows attackers to execute arbitrary commands via the wl(0).(0)_maclist parameter.

CWE(s)
CWE-77

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

dlink
dir-823 pro firmware
≤ 1.0.2

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References