CVE-2021-28143
/jsonrpc on D-Link DIR-841 3.03 and 3.04 devices allows authenticated command injection via ping,...
/jsonrpc on D-Link DIR-841 3.03 and 3.04 devices allows authenticated command injection via ping, ping6, or traceroute (under System Tools).
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
8.0
/jsonrpc on D-Link DIR-841 3.03 and 3.04 devices allows authenticated command injection via ping, ping6, or traceroute (under System Tools).
- Record
CVE-2021-28143- CVSS 3.1
- 8.0 High
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.7 High
AV:A/AC:L/Au:S/C:C/I:C/A:C - Weakness
- CWE-78
- Updated
- 2026-11-02
CVE List No score
/jsonrpc on D-Link DIR-841 3.03 and 3.04 devices allows authenticated command injection via ping, ping6, or traceroute (under System Tools).
- Record
CVE-2021-28143- Updated
- 2026-11-02
EUVDEUVD-2021-14842 No score
/jsonrpc on D-Link DIR-841 3.03 and 3.04 devices allows authenticated command injection via ping, ping6, or traceroute (under System Tools).
- Record
EUVD-2021-14842- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6fqw-cvh4-899x
8.0
/jsonrpc on D-Link DIR-841 3.03 and 3.04 devices allows authenticated command injection via ping,...
/jsonrpc on D-Link DIR-841 3.03 and 3.04 devices allows authenticated command injection via ping, ping6, or traceroute (under System Tools).
- Record
GHSA-6fqw-cvh4-899x- CVSS 3.1
- 8.0 High
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-77
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-28143 is a high vulnerability (CVSS 8.0) in Dlink Dir-841 Firmware, published March 11, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 47.3%, the 98th percentile. No source names a fixed version.