CVE-2018-19986
CRITICAL 9.8EPSS 41.6%
In the /HNAP1/SetRouterSettings message, the RemotePort parameter is vulnerable, and the vulnerability affects D-Link DIR-818LW Rev.A 2.05.B03 and DIR-822 B1 202KRb06 devices. In the SetRouterSettings.php source code, the RemotePort parameter is saved in the $path_inf_wan1."/web" internal configuration memory without any regex checking. And in the IPTWAN_build_command function of the iptwan.php source code, the data in $path_inf_wan1."/web" is used with the iptables command without any regex checking. A vulnerable /HNAP1/SetRouterSettings XML message could have shell metacharacters in the RemotePort element such as the `telnetd` string.
- CVSS v3.0 NVD
- 9.8 CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS v2.0 NVD
- 10.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C - EPSS
- 41.61% chance of exploitation in the next 30 days, 99th percentile
- Published
- 2019-05-13
- Updated
- 2024-08-05
Proof-of-concept exploits (1)
- pr0v3rbs/CVE/tree/master/CVE-2018-19986%20-%201999012★ · 2021-12-24