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VulnerabilityPublished

CVE-2025-68719: KAYSUS KS-WR3600 routers · Information Exposure

Source CVE Database V5

0

Not known to be exploited · CVSS 8.8 High.

Data as of 26 Oct 2026, 14:05 UTC

CVSS 3.1 base score
8.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.4% chance of exploitation in 30 days – higher than 40% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 8 Jan 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

AI-suggested

Organizations should immediately audit access controls on KAYSUS KS-WR3600 routers to ensure that only trusted users have login capabilities. Network segmentation should be employed to isolate management interfaces from general user networks and the internet. Access to the backup endpoint must be restricted using firewall rules or router configuration to prevent unauthorized queries. Strong session management practices, including short session timeouts and multi-factor authentication, should be implemented to reduce the risk of session hijacking or misuse. Monitoring and logging of router access and backup endpoint requests should be enhanced to detect suspicious activity. Organizations should engage with KAYSUS or their vendors to obtain firmware updates or patches addressing this vulnerability and apply them promptly once available. If patches are delayed, consider replacing vulnerable devices or disabling the backup functionality if feasible. Regular password audits and credential rotation for router accounts will help mitigate risks from leaked credentials. Finally, educating users about the risks of credential compromise and enforcing least privilege principles will reduce exploitation likelihood.

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.

References

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