RCE in Dlink Dir-3040
CVE-2021-21819
A code execution vulnerability exists in the Libcli Test Environment functionality of D-LINK DIR-3040 1.13B03. A specially crafted network request can lead to arbitrary command execution. An attacker can send a sequence of requests to trigger this vulnerability.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.029 (86.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 86.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.029 · newest: 0.029 · change: 0.000
Affected products
- Dlink Dir-3040
- Dlink Dir-3040 Firmware — versions 1.13b03
- D-Link — versions D-LINK DIR-3040 1.13B03
Weakness classification (CWE)
References
- talosintelligence.com/vulnerability_reports/TALOS-2021-1284 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-21819?
- CVE-2021-21819 is a high-severity vulnerability in Dlink Dir-3040, classified under OS Command Injection. CVSS score: 7.2/10. Published 2021-07-16.
- How severe is CVE-2021-21819?
- High severity. CVSS v3 base score is 7.2 out of 10.