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Vulnerabilities

Vulnerability · CVE-2025-13184

Unauthenticated Telnet enablement via cstecgi.cgi (auth bypass) leading to unauthenticated root login with a blank password on factory/reset X5000R V9.1.0u.6369_B20230113 (arbitrar

Published Dec 10, 2025 · catalog updated Dec 10, 2025 · Toto Link X5000R's (AX1800 router)

Last checked Nov 2, 2026. A connected source was read within the last 7 days.

Check this week

CVE-2025-13184 is not in CISA KEV. FIRST estimates a 20.09% chance of exploitation in the next 30 days. Check whether you run Toto Link X5000R's (AX1800 router).

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
20.09%
Remediation
Version ranges on file
Affected products
vendor Toto Link X5000R's (AX1800 router) 0 <V9.1.0u.6369_B20230113

Unauthenticated Telnet enablement via cstecgi.cgi (auth bypass) leading to unauthenticated root login with a blank password on factory/reset X5000R V9.1.0u.6369_B20230113 (arbitrary command execution). Earlier versions that share the same implementation, may also be affected.

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.

  • vendor Toto Link X5000R's (AX1800 router) 0 <V9.1.0u.6369_B202301130 <V9.1.0u.6369_B20230113

How to fix CVE-2025-13184

What to do

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

Should you patch?

CVE-2025-13184 is not in CISA KEV. FIRST estimates a 20.09% chance of exploitation in the next 30 days. Check whether you run Toto Link X5000R's (AX1800 router).

Which versions are affected?

Compare what you have installed with Toto Link X5000R's (AX1800 router) 0 <V9.1.0u.6369_B20230113 0 <V9.1.0u.6369_B20230113. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 20.09%. 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. Dec 10, 2025 · EUVD

    Detected

    Unauthenticated Telnet enablement via cstecgi.cgi (auth bypass) leading to unauthenticated root login with a blank password on factory/reset X5000R V9.1.0u.6369_B20230113 (arbitrary command execution). Earlier versions that share the same implementation, may also be affected.

  2. Dec 10, 2025 · EUVD

    Updated

    Unauthenticated Telnet enablement via cstecgi.cgi (auth bypass) leading to unauthenticated root login with a blank password on factory/reset X5000R V9.1.0u.6369_B20230113 (arbitrary command execution). Earlier versions that share the same implementation, may also be affected.

Sources

  • CVE.orgVulnerability recordCVE-2025-13184

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-13184

    30-day exploitation probability 20.09%

    first.org
  • EUVDVulnerability recordEUVD-2025-202419

    Unauthenticated Telnet enablement via cstecgi.cgi (auth bypass) leading to unauthenticated root login with a blank password on factory/reset X5000R V9.1.0u.6369_B20230113 (arbitrary command execution). Earlier versions that share the same implementation, may also be affected.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 2, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 2, 2026
  • CVE.orgOct 27, 2026
  • EUVDOct 27, 2026