cbcvebase.
CVE-2021-28840
published 2021-08-10

CVE-2021-28840: 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…

PriorityP339high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
2.25%
80.9th percentile
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_config function of sbin/httpd binary. When the binary handle the specific HTTP GET request, the content in upload_file variable is NULL in the upload_config function then the strncasecmp would take NULL as first argument, and incur the NULL pointer dereference vulnerability.

Affected

9 ranges
VendorProductVersion rangeFixed in
dlinkdap-2310_firmware——
dlinkdap-2330_firmware——
dlinkdap-2360_firmware——
dlinkdap-2553_firmware——
dlinkdap-2660_firmware——
dlinkdap-2690_firmware——
dlinkdap-2695_firmware——
dlinkdap-3320_firmware——
dlinkdap-3662_firmware——

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
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