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Vulnerabilities

Vulnerability · CVE-2026-4611

A flaw has been found in TOTOLINK X6000R 9.4.0cu.1360_B20241207/9.4.0cu.1498_B20250826.

Published Mar 23, 2026 · catalog updated Jun 17, 2026 · x6000r firmware

Check if you run it

No confirmed exploitation is on record for CVE-2026-4611. EPSS is 5.25%. Act only if a listed version of x6000r firmware is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.6
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
5.25%
Remediation
Advisory link
Affected products
cpe totolink/x6000r firmware

A flaw has been found in TOTOLINK X6000R 9.4.0cu.1360_B20241207/9.4.0cu.1498_B20250826. Affected by this issue is the function setLanCfg of the file /usr/sbin/shttpd. Executing a manipulation of the argument Hostname can lead to os command injection. The attack may be launched remotely.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe totolink/x6000r firmware9.4.0cu.1360_b20241207
  • cpe totolink/x6000r firmware9.4.0cu.1498_b20250826

How to fix CVE-2026-4611

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-4611. EPSS is 5.25%. Act only if a listed version of x6000r firmware is installed.

Which versions are affected?

Compare what you have installed with totolink/x6000r firmware 9.4.0cu.1360_b20241207; totolink/x6000r firmware 9.4.0cu.1498_b20250826. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-77: Command Injection; CWE-78: OS Command Injection. EPSS 5.25%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 23, 2026 · NIST NVD

    Detected

    A flaw has been found in TOTOLINK X6000R 9.4.0cu.1360_B20241207/9.4.0cu.1498_B20250826. Affected by this issue is the function setLanCfg of the file /usr/sbin/shttpd. Executing a manipulation of the argument Hostname can lead to os command injection. The attack may be launched remotely.

  2. Jun 17, 2026 · NIST NVD

    Updated

    A flaw has been found in TOTOLINK X6000R 9.4.0cu.1360_B20241207/9.4.0cu.1498_B20250826. Affected by this issue is the function setLanCfg of the file /usr/sbin/shttpd. Executing a manipulation of the argument Hostname can lead to os command injection. The attack may be launched remotely.

Sources

  • CVE.orgVulnerability recordCVE-2026-4611

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-4611

    30-day exploitation probability 5.3%

    first.org
  • NIST NVDVulnerability recordCVE-2026-4611

    A flaw has been found in TOTOLINK X6000R 9.4.0cu.1360_B20241207/9.4.0cu.1498_B20250826. Affected by this issue is the function setLanCfg of the file /usr/sbin/shttpd. Executing a manipulation of the argument Hostname can lead to os command injection. The attack may be launched re

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.