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 (arbitrary command execution). Earlier versions that share the same implementation, may also be affected.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://hackingbydoing.wixsite.com/hackingbydoing/post/totolink-x5000r-ax1800-router-authentication-bypass	Exploit Third Party Advisory
https://www.kb.cert.org/vuls/id/821724	Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:totolink:x5000r_firmware:9.1.0u.6369_b20230113:*:*:*:*:*:*:*

cpe:2.3:h:totolink:x5000r:-:*:*:*:*:*:*:*

History

25 Sep 2026, 23:10

Type	Values Removed	Values Added
Summary		(es) Habilitación de Telnet no autenticado a través de cstecgi.cgi (omisión de autenticación) que lleva a un inicio de sesión de root no autenticado con una contraseña en blanco en X5000R V9.1.0u.6369_B20230113 de fábrica/restablecido (ejecución de comandos arbitrarios). Versiones anteriores que comparten la misma implementación, también pueden verse afectadas.

Information

Published : 2025-12-10 13:16

Updated : 2026-09-25 23:10

NVD link : CVE-2025-13184

Mitre link : CVE-2025-13184

CVE.ORG link : CVE-2025-13184

JSON object : View

Products Affected

totolink

x5000r_firmware
x5000r

CWE

CWE-863

Incorrect Authorization

{"id": "CVE-2025-13184", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-13184", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2025-12-10T15:17:58.730787Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "affected": [{"source": "cret@cert.org", "affectedData": [{"vendor": "Toto Link", "product": "X5000R's (AX1800 router)", "versions": [{"status": "affected", "version": "0", "lessThan": "V9.1.0u.6369_B20230113", "versionType": "custom"}]}]}], "published": "2025-12-10T13:16:02.970", "references": [{"url": "https://hackingbydoing.wixsite.com/hackingbydoing/post/totolink-x5000r-ax1800-router-authentication-bypass", "tags": ["Exploit", "Third Party Advisory"], "source": "cret@cert.org"}, {"url": "https://www.kb.cert.org/vuls/id/821724", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-863"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Habilitaci\u00f3n de Telnet no autenticado a trav\u00e9s de cstecgi.cgi (omisi\u00f3n de autenticaci\u00f3n) que lleva a un inicio de sesi\u00f3n de root no autenticado con una contrase\u00f1a en blanco en X5000R V9.1.0u.6369_B20230113 de f\u00e1brica/restablecido (ejecuci\u00f3n de comandos arbitrarios). Versiones anteriores que comparten la misma implementaci\u00f3n, tambi\u00e9n pueden verse afectadas."}], "lastModified": "2026-09-25T23:10:00.463", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:totolink:x5000r_firmware:9.1.0u.6369_b20230113:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FAA27C60-0FFD-45E3-91B1-0C2F8EBF2442"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:totolink:x5000r:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "BC45BFB0-0CF0-4F9E-B19D-D274B17F1591"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cret@cert.org"}