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)
EPSS: 0.457 (98.7th percentile) — read the EPSS interpretation.
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.
Affected products
- Dlink Dir-841
- Dlink Dir-841_firmware — versions 3.03, 3.04
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Patch, x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
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.