RCE in Dlink Dir-841
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).
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.473 (98.8th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.457 · newest: 0.473 · change: +0.016
Affected products
- Dlink Dir-841
- Dlink Dir-841 Firmware — versions 3.03, 3.04
Weakness classification (CWE)
Public proof-of-concept exploits
References
- supportannouncement.us.dlink.com/announcement/publication.aspx (Patch, Vendor Advisory)
- github.com/vitorespf/Advisories/blob/master/DLINK-DIR-841-command-injection.txt (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-28143?
- CVE-2021-28143 is a high-severity vulnerability in Dlink Dir-841, classified under OS Command Injection. CVSS score: 8.0/10. Published 2021-03-11.
- How severe is CVE-2021-28143?
- High severity. CVSS v3 base score is 8.0 out of 10.
- Is CVE-2021-28143 known to be exploited?
- 10 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.