PT-2019-4530

CVE-2019-17621

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Published

2019-12-12

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Updated

2026-10-06

Description by

CVSS 3.1
10
Critical
MetricsAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions D-Link DIR-818Lx versions not specified D-Link DIR-822 versions not specified D-Link DIR-823 versions not specified D-Link DIR-859 versions 1.05 through 1.06B01 Beta01 D-Link DIR-865L versions not specified D-Link DIR-868L versions not specified D-Link DIR-869 versions not specified D-Link DIR-880L versions not specified D-Link DIR-890L/R versions not specified D-Link DIR-885L/R versions not specified D-Link DIR-895L/R versions not specified
Description The issue exists due to the failure to neutralize special elements used in the operating system command. This can allow a remote attacker to execute arbitrary commands as the root user in the target system due to incorrect handling of the SUBSCRIBE request in the /gena.cgi file. The estimated number of potentially affected devices is not specified.
Recommendations For D-Link DIR-859 versions 1.05 through 1.06B01 Beta01, consider disabling access to the /gena.cgi endpoint until a patch is available. For other affected versions, at the moment, there is no information about a newer version that contains a fix for this vulnerability.
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