CVE-2021-28143

HIGHNVD 8.08.0—Elevated

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).

CVSS v3: 8.0
EG Score: 8.0(medium)
EPSS: 96.2%
KEV: Not listed

Published

March 11, 2021

Last Modified

November 21, 2024

References (4)

cve@mitrehttps://github.com/vitorespf/Advisories/blob/master/DLINK-DIR-841-command-injection.txt
cve@mitrehttps://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10207
af854a3a-2127-422b-91ae-364da2661108https://github.com/vitorespf/Advisories/blob/master/DLINK-DIR-841-command-injection.txt
af854a3a-2127-422b-91ae-364da2661108https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10207

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 9× in last 7d / 18× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-04 13:10 UTCepss_batch
2026-06-04 13:10 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
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2026-06-01 13:50 UTCepss_batch
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2026-05-31 00:15 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 19:50 UTCEG score recompute
2026-05-26 19:50 UTCGHSA enrichment
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2021-28143?

CVE-2021-28143 is a high vulnerability published on March 11, 2021. /jsonrpc on D-Link DIR-841 3.03 and 3.04 devices allows authenticated command injection via ping, ping6, or traceroute (under System Tools).

When was CVE-2021-28143 disclosed?

CVE-2021-28143 was first published in the National Vulnerability Database on March 11, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-28143 actively exploited?

CVE-2021-28143 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 96.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-28143?

CVE-2021-28143 has a CVSS v3 base score of 8.0 (NVD).

How do I remediate CVE-2021-28143?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-28143, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2021-28143

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-28143?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)