NetSight
critical9.8

CVE-2018-19987

D-Link DIR-822 Rev.B 202KRb06, DIR-822 Rev.C 3.10B06, DIR-860L Rev.B 2.03.B03, DIR-868L Rev.B 2.05B02, DIR-880L Rev.A 1.20B01_01_i3se_BETA, and DIR-890L Rev.A …

Impact

D-Link DIR-822 Rev.B 202KRb06, DIR-822 Rev.C 3.10B06, DIR-860L Rev.B 2.03.B03, DIR-868L Rev.B 2.05B02, DIR-880L Rev.A 1.20B01_01_i3se_BETA, and DIR-890L Rev.A 1.21B02_BETA devices mishandle IsAccessPoint in /HNAP1/SetAccessPointMode. In the SetAccessPointMode.php source code, the IsAccessPoint parameter is saved in the ShellPath script file without any regex checking. After the script file is executed, the command injection occurs. A vulnerable /HNAP1/SetAccessPointMode XML message could have shell metacharacters in the IsAccessPoint element such as the `telnetd` string.

Affected products

VendorProductAffected versions
D-LinkDir-818lw Firmware
Version 2.05.b03
D-LinkDir-822 Firmware
Version 202krb06
DlinkDir-822 Firmware
Version 3.10b06
D-LinkDir-860l Firmware
Version 2.03.b03
D-LinkDir-868l Firmware
Version 2.05b02
D-LinkDir-880l Firmware
Version 1.20b01_01_i3se
D-LinkDir-890l\/R Firmware
Version 1.21b02

Weakness classification

References