LiveActive security incident?Get immediate response
CVE Record

CVE-2021-46454: D-Link device D-Link DIR-823-Pro v1.0.2 was discovered to contain a command injection vulnerability in the...

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

UnknownCVSS not scoredNot KEV-listedUpdated
Discuss exposureBack to CVEs
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2021-46454 is a command injection issue reported in D-Link DIR-823-Pro v1.0.2. If an attacker can reach the vulnerable wireless configuration function, they may be able to run commands on the router. Evidence is limited, but router compromise can affect network control and traffic visibility.

Executive priority

Treat as a priority for network teams if this model is present. The main urgency is confirming exposure and vendor guidance, not broad enterprise panic, because affected scope and exploitation evidence are incomplete.

Technical view

The CVE describes command injection in SetWLanApcliSettings through the ApCliKeyStr parameter on D-Link DIR-823-Pro v1.0.2. The source bundle does not provide CVSS, CWE, authentication requirements, patch status, or detailed affected CPE data. CISA KEV status is false in the supplied bundle.

Likely exposure

Exposure appears limited to D-Link DIR-823-Pro devices running v1.0.2, especially where management or wireless configuration surfaces are reachable by untrusted users or networks.

Exploitation context

The supplied sources state arbitrary command execution is possible through a specific parameter. They do not show confirmed active exploitation, and the CVE is not marked KEV in the provided bundle.

Researcher notes

The public record is sparse: affected version and parameter are named, but severity metrics, prerequisites, and fix details are not in the supplied CVE data. Avoid assuming exploit maturity or authentication requirements without reviewing the referenced advisory material.

Mitigation direction

  • Identify any D-Link DIR-823-Pro devices and confirm firmware version.
  • Check D-Link bulletin and SAP10285 for official firmware, replacement, or lifecycle guidance.
  • Restrict router administration to trusted management networks only.
  • Disable external or untrusted access to router management interfaces where possible.
  • Monitor affected devices for unexpected configuration changes or administrative activity.

Validation and detection

  • Inventory edge and branch routers for DIR-823-Pro v1.0.2.
  • Verify whether management interfaces are exposed to the internet or guest networks.
  • Review D-Link advisory sources for current remediation status.
  • Check device logs for unexpected wireless configuration changes.
  • Confirm compensating access controls block untrusted management access.
Prepared
Confidence
medium
Sources
5

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2021-46454 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
4Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.