Security readout for executives and security teams
Plain-English summary
CVE-2021-46227 is a reported command injection flaw in D-Link DI-7200GV2.E1 firmware v21.04.09E1. If an attacker can reach the vulnerable proxy configuration endpoint, they may be able to run operating-system commands on the device. The bundle does not provide CVSS, patch status details, or evidence of active exploitation.
Executive priority
Treat this as a high-priority network-device exposure issue where the named model is deployed. Business urgency depends on whether affected devices are internet-facing or reachable by untrusted users. Prioritize inventory, isolation, and vendor guidance review before broader remediation planning.
Technical view
The CVE record describes command injection in proxy_client.asp through the proxy_srv, proxy_srvport, proxy_lanip, and proxy_lanport parameters. The bundle identifies D-Link DI-7200GV2.E1 v21.04.09E1, but normalized CPE/product metadata and CWE are absent. A public researcher reference and D-Link advisory pages are cited.
Likely exposure
Exposure is likely limited to organizations running the named D-Link DI-7200GV2.E1 firmware version, especially if the device management interface or proxy configuration path is reachable from untrusted networks. The source bundle does not confirm whether other versions or models are affected.
Exploitation context
The public CVE description says the flaw allows arbitrary command execution, and a public researcher write-up is referenced. The bundle does not include CISA KEV listing, observed exploitation, exploit maturity, authentication requirements, or network reachability details.
Researcher notes
Key gaps are CVSS, CWE, CPEs, authentication requirement, fixed version, and exploitation evidence. Analysis should stay scoped to DI-7200GV2.E1 v21.04.09E1 unless D-Link confirms broader impact. Avoid relying on the researcher reference as a complete vendor remediation source.
Mitigation direction
- Check D-Link advisory pages for supported firmware updates or product-specific guidance.
- Restrict management access to trusted administrative networks only.
- Remove direct internet exposure for affected D-Link management interfaces.
- Inventory DI-7200GV2.E1 devices and confirm firmware version v21.04.09E1.
- Replace unsupported devices if vendor guidance does not provide a fix.
Validation and detection
- Identify D-Link DI-7200GV2.E1 assets in network and CMDB inventories.
- Confirm firmware versions through approved administrative interfaces or asset tooling.
- Review firewall rules for external access to device management services.
- Check logs for suspicious access to proxy_client.asp where available.
- Compare deployed firmware against current D-Link security bulletin guidance.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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.
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 lookupCVE-2021-46227 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.dlink.com/en/security-bulletin/CVE reference · x_refsource_MISC
- https://github.com/pjqwudi/my_vuln/blob/main/D-link/vuln_10/10.mdCVE reference · x_refsource_MISC
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10284CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.