HOMEVULNERABILITIESCVE-2021-46228
CRITICAL

CVE-2021-46228

CWE-77Published: February 4, 2022· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

D-Link device DI-7200GV2.E1 v21.04.09E1 was discovered to contain a command injection vulnerability in the function httpd_debug.asp. This vulnerability allows attackers to execute arbitrary commands via the time parameter.

NVD Source

Technical Analysis

CVE-2021-46228 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

dlink2 product(s)
di-7200gv2 firmwaredi-7200gv2
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10284
ADVISORYhttps://www.dlink.com/en/security-bulletin/
ADVISORYhttps://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10284
ADVISORYhttps://www.dlink.com/en/security-bulletin/

All References (6)

→
https://github.com/pjqwudi/my_vuln/blob/main/D-link/vuln_6/6.mdBroken Link
→
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10284Vendor Advisory
→
https://www.dlink.com/en/security-bulletin/Vendor Advisory
→
https://github.com/pjqwudi/my_vuln/blob/main/D-link/vuln_6/6.mdBroken Link
→
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10284Vendor Advisory
→
https://www.dlink.com/en/security-bulletin/Vendor Advisory

Quick Facts

CVE IDCVE-2021-46228
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-77
CISA KEVNo
Affected1 vendor(s)
PublishedFeb 4, 2022

Related CVEs (CWE-77)

CVE-2014-1905
10.0
CVE-2015-5082
10.0
CVE-2017-7722
10.0
CVE-2024-20418
10.0
CVE-2018-16462
10.0
CVE-2015-6912
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2021-46228 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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