What’s Vulnerable › Vulnerabilities

CVE-2021-28143

• Severity: high (CVSS 8.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 47.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-03-11 · updated 2026-06-17
• Weakness: CWE-78

Description

/jsonrpc on D-Link DIR-841 3.03 and 3.04 devices allows authenticated command injection via ping, ping6, or traceroute (under System Tools).

Affected products

• Dlink Dir-841 Firmware: 3.03, 3.04

References

• https://github.com/vitorespf/Advisories/blob/master/DLINK-DIR-841-command-injection.txt
• https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10207
• https://github.com/vitorespf/Advisories/blob/master/DLINK-DIR-841-command-injection.txt
• https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10207

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