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 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.
| Software | From | Fixed in |
|---|---|---|
| d-link / dir-818lw_firmware | 2.05.b03 | 2.05.b03.x |
| d-link / dir-822_firmware | 202krb06 | 202krb06.x |
| d-link / dir-860l_firmware | 2.03.b03 | 2.03.b03.x |
| d-link / dir-868l_firmware | 2.05b02 | 2.05b02.x |
| d-link / dir-880l_firmware | 1.20b01_01_i3se-beta | 1.20b01_01_i3se-beta.x |
| d-link / dir-890l/r_firmware | 1.21b02-beta | 1.21b02-beta.x |
| dlink / dir-822_firmware | 3.10b06 | 3.10b06.x |
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