What is the CVSS score of CVE-2018-6401?

CVE-2018-6401 has a CVSS 3.0 base score of 9.8 (Critical). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.2%.

Is there a public PoC exploit available for CVE-2018-6401?

Yes, a public proof-of-concept exploit is available for CVE-2018-6401. Prioritise patching immediately. EPSS: 1.2%.

Mss110 Firmware CVE-2018-6401

CRITICAL

Use of Hard-coded Credentials (CWE-798)

2018-05-02 cve@mitre.org

Authentication Bypass Mss110 Firmware

9.8

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

May 02, 2018 - 07:29 nvd

CRITICAL 9.8

DescriptionNVD

Meross MSS110 devices before 1.1.24 contain a TELNET listener providing access for an undocumented admin account with a blank password.

AnalysisAI

Meross MSS110 devices before 1.1.24 contain a TELNET listener providing access for an undocumented admin account with a blank password. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Use of Hard-coded Credentials (CWE-798), which allows attackers to gain access using credentials embedded in source code. Meross MSS110 devices before 1.1.24 contain a TELNET listener providing access for an undocumented admin account with a blank password. Affected products include: Meross Mss110 Firmware. Version information: before 1.1.24.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Remove hard-coded credentials, use environment variables or secrets management, rotate exposed credentials immediately.