CVE-2021-39509

An issue was discovered in D-Link DIR-816 DIR-816A2_FWv1.10CNB05_R1B011D88210 The HTTP request parameter is used in the handler function of /goform/form2userconfig.cgi route, which can construct the user name string to delete the user function. This can lead to command injection through shell metacharacters.

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 v2.0

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

EPSS

5.10% chance of exploitation in the next 30 days, 92th percentile

Published

2021-08-24

Updated

2024-08-04

Proof-of-concept exploits (1)

• doudoudedi/main-DIR-816_A2_Command-injection/blob/main/injection.md

References

• CVE Record
• NVD entry

Related

• CVE-2019-17621
• CVE-2021-39510
• CVE-2021-40546
• CVE-2021-43711
• CVE-2021-45382
• CVE-2021-46314