CVE-2025-68716: KAYSUS KS-WR3600 routers with firmware 1.0.5.9.1 enable the SSH service enabled by default on the LAN interfac

Routine

HIGH 8.4MITIGATE

CVE-2025-68716 is a high-severity flaw (CVSS 8.4) affecting ks-wr3600 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

KAYSUS KS-WR3600 routers with firmware 1.0.5.9.1 enable the SSH service enabled by default on the LAN interface. The root account is configured with no password, and administrators cannot disable SSH or enforce authentication via the CLI or web GUI. This allows any LAN-adjacent attacker to trivially gain root shell access and execute arbitrary commands with full privileges.

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.4 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 86%)
CISA exploited list	No
Weakness	CWE-284, CWE-306, CWE-521
Published	2026-01-08
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: kaysus

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-01-08 21:15 UTCPublished CVE record published
2026-06-17 09:59 UTCUpdated Record last modified

kaysus ks-wr3600 firmware MITIGATE

Affected: 1.0.5.9.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.5.9.1

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-68716?

ks-wr3600 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-68716 being exploited?

CVE-2025-68716 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-68716 affect?

CVE-2025-68716 affects ks-wr3600 firmware. Severity is high (CVSS 8.4). KAYSUS KS-WR3600 routers with firmware 1.0.5.9.1 enable the SSH service enabled by default on the LAN interface. The root account is configured with no password, and administrators cannot disable SSH or enforce authentication via the CLI or

How urgent is CVE-2025-68716?

Priority 33/100. High severity

Related CVEs

CVE-2025-68719 HIGH 8.8 MITIGATE KAYSUS KS-WR3600 routers with firmware 1.0.5.9.1 mishandle configuration management
CVE-2025-68717 CRITICAL 9.4 MITIGATE KAYSUS KS-WR3600 routers with firmware 1.0.5.9.1 allow authentication bypass during session validation

References

← Back to latest CVEs