CVE-2025-68719

High

Description

KAYSUS KS-WR3600 routers with firmware 1.0.5.9.1 mishandle configuration management. Once any user is logged in and maintains an active session, an attacker can directly query the backup endpoint and download a full configuration archive. This archive contains sensitive files such as /etc/shadow, enabling credential recovery and potential full compromise of the device.

SeverityHigh
CVSS8.8
Exploit probability—
ProductKaysus Ks-wr3600 Firmware
PublishedJan 8, 2026
First seenJan 8, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
kaysus ks-wr3600_firmware1.0.5.9.1—

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