CVE-2021-28143
/jsonrpc on D-Link DIR-841 3.03 and 3.04 devices allows authenticated command injection via ping, ping6, or traceroute (under System Tools).
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 47.3%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
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).
- CVSS 3.1
- 8.0 HIGHCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 47.32% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-78
- Affected
- dlink/dir-841 firmware
- Source
- cve@mitre.org
EPSS moved from 47.3% on 27 September 2026 to 47.3% on 3 November 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- https://github.com/vitorespf/Advisories/blob/master/DLINK-DIR-841-command-injection.txtExploit, Third Party Advisory
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10207Patch, Vendor Advisory
- https://github.com/vitorespf/Advisories/blob/master/DLINK-DIR-841-command-injection.txtExploit, Third Party Advisory
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10207Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.