VULNERABILITY INTELLIGENCE
CVE-2021-21820
CVSS score9.8 CRITICAL
EPSS probability2.96%
CISA KEVNot currently listed
Published2021-07-16
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
A hard-coded password vulnerability exists in the Libcli Test Environment functionality of D-LINK DIR-3040 1.13B03. A specially crafted network request can lead to code execution. An attacker can send a sequence of requests to trigger this vulnerability.
Weakness classification
- talos-cna@cisco.com: CWE-798
- nvd@nist.gov: CWE-798
Primary references
- talos-cna@cisco.com — Exploit, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory