CVEvulnerability

CVE-2021-28840

7.5 HIGH Published 2021-08-10 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-08-10
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-476

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_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 configurations

• dlink dap-2310 firmware 2.0.7.rc031 • dlink dap-2330 firmware 1.07.rc028 • dlink dap-2360 firmware 2.07.rc043 • dlink dap-2553 firmware 3.06.rc027 • dlink dap-2660 firmware 1.13.rc074 • dlink dap-2690 firmware 3.16.rc100 • dlink dap-2695 firmware 1.17.rc063 • dlink dap-3320 firmware 1.01.rc014 • dlink dap-3662 firmware 1.01.rc022

Related

Weakness · CWE (1)

  • CWE-476 NULL Pointer Dereference weakness

References