Vulnerability record · CVE-2025-68717 · published 8 January 2026

CVE-2025-68717: Kaysus ks-wr3600 firmware improper authentication vulnerability

Kaysus · Ks Wr3600 Firmware

KAYSUS KS-WR3600 routers with firmware 1.0.5.9.1 allow authentication bypass during session validation. If any user is logged in, endpoints such as /cgi-bin/system-tool accept unauthenticated requests with empty or invalid session values. This design flaw lets attackers piggyback on another user's active session to retrieve sensitive configuration data or execute privileged actions without authentication.

9.4 CVSS 3.1 Critical EPSS 0.57% · top 54.9% CWE-287 · Improper authentication

9.4CVSS 3.1 base score

0.57%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

3References, 1 tagged exploit

17 Jun 2026Last modified by NVD

Description

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Ks Wr3600 Firmware Kaysus

References

Link	Tags
https://github.com/actuator/cve/blob/main/KAYSUS/CVE-2025-68717.txt	Third Party Advisory
https://github.com/actuator/cve/tree/main/KAYSUS	Exploit
https://www.kaysus.com/ks_wr3600__wifi_7_be3600_wireless_router.html	Product

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-68717), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.