Description
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.
Published: 2019-05-13
Score: 9.8 Critical
EPSS: 54.9% High
KEV: No
Impact: n/a
Action: n/a
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D-link Dir-818lw Firmware Dir-822 Firmware
Dlink Dir-818lw Dir-822
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T11:51:17.925Z

Reserved: 2018-12-09T00:00:00.000Z

Link: CVE-2018-19986

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2019-05-13T14:29:01.143

Modified: 2024-11-21T03:58:56.683

Link: CVE-2018-19986

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses