CVE-2021-21820

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.

CVSS v3.1

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.0

10.0 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CVSS v2.0

7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS

2.96% chance of exploitation in the next 30 days, 86th percentile

Published

2021-07-16

Updated

2024-08-03

Proof-of-concept exploits (1)

• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1285

References

• CVE Record
• NVD entry

Related

• CVE-2021-21819
• CVE-2021-21821
• CVE-2021-21818
• CVE-2021-21822
• CVE-2021-21817
• CVE-2021-21824