What is CVE-2021-46455?

CVE-2021-46455 is a critical-severity vulnerability in Dlink Dir-823 Pro, classified under Command Injection. CVSS score: 9.8/10. Published 2022-02-04.

How severe is CVE-2021-46455?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2021-46455 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Dlink Dir-823 Pro

CVE-2021-46455

D-Link device D-Link DIR-823-Pro v1.0.2 was discovered to contain a command injection vulnerability in the function SetStationSettings. This vulnerability allows attackers to execute arbitrary commands via the station_access_enable parameter.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.038 (89.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-77 — Command Injection

Public proof-of-concept exploits

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (x_refsource_MISC, Broken Link)
cve@mitre.org (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-46455?: CVE-2021-46455 is a critical-severity vulnerability in Dlink Dir-823 Pro, classified under Command Injection. CVSS score: 9.8/10. Published 2022-02-04.
How severe is CVE-2021-46455?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2021-46455 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.