CVE-2021-28839

Description

Null Pointer Dereference vulnerability exists in D-Link DAP-2310 2.07.RC031, DAP-2330 1.07.RC028, DAP-2360 2.07.RC043, DAP-2553 3.06.RC027, DAP-2660 1.13.RC074, DAP-2690 3.16.RC100, DAP-2695 1.17.RC063, DAP-3320 1.01.RC014 and DAP-3662 1.01.RC022 in the upload_certificate function of sbin/httpd binary. When the binary handle the specific HTTP GET request, the strrchr in the upload_certificate function would take NULL as first argument, and incur the NULL pointer dereference vulnerability.

References

https://www.dlink.com/en/security-bulletin/

https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve2.pdf

https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve.pdf

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

EPSS