Vulnerability Database

299,038

Total vulnerabilities in the database

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 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.

  • Published: Aug 10, 2021
  • Updated: Apr 14, 2023
  • CVE: CVE-2021-28840
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: Medium
  • Score: 5
  • AV:N/AC:L/Au:N/C:N/I:N/A:P

CWEs:

Software From Fixed in
dlink / dap-2310_firmware 2.0.7.rc031 2.0.7.rc031.x
dlink / dap-2330_firmware 1.07.rc028 1.07.rc028.x
dlink / dap-2360_firmware 2.07.rc043 2.07.rc043.x
dlink / dap-2553_firmware 3.06.rc027 3.06.rc027.x
dlink / dap-2660_firmware 1.13.rc074 1.13.rc074.x
dlink / dap-2690_firmware 3.16.rc100 3.16.rc100.x
dlink / dap-2695_firmware 1.17.rc063 1.17.rc063.x
dlink / dap-3320_firmware 1.01.rc014 1.01.rc014.x
dlink / dap-3662_firmware 1.01.rc022 1.01.rc022.x