CVE-2019-11535

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-07-17 · updated 2026-06-17
Weakness: CWE-77

Description

Unsanitized user input in the web interface for Linksys WiFi extender products (RE6400 and RE6300 through 1.2.04.022) allows for remote command execution. An attacker can access system OS configurations and commands that are not intended for use beyond the web UI.

Affected products

Linksys Re6300 Firmware: through 1.2.04.022
Linksys Re6400 Firmware: through 1.2.04.022

References

http://s3.amazonaws.com/downloads.linksys.com/support/assets/releasenotes/Linksys%20RE6300%20RE6400%20Firmware%20Release%20Notes_v1.2.05.001.txt
http://s3.amazonaws.com/downloads.linksys.com/support/assets/releasenotes/Linksys%20RE6300%20RE6400%20Firmware%20Release%20Notes_v1.2.05.001.txt

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