What is the CVSS score of CVE-2022-38556?

CVE-2022-38556 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.0%.

Is there a public PoC exploit available for CVE-2022-38556?

Yes, a public proof-of-concept exploit is available for CVE-2022-38556. Prioritise patching immediately. EPSS: 1.0%.

Tew733Gr Firmware CVE-2022-38556

CRITICAL

Improper Authentication (CWE-287)

2022-08-28 cve@mitre.org

Authentication Bypass Tew733Gr Firmware

9.8

CVSS 3.1 · 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:3.1/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

Aug 28, 2022 - 16:15 nvd

CRITICAL 9.8

DescriptionNVD

Trendnet TEW733GR v1.03B01 contains a Static Default Credential vulnerability in /etc/init0.d/S80telnetd.sh.

AnalysisAI

Trendnet TEW733GR v1.03B01 contains a Static Default Credential vulnerability in /etc/init0.d/S80telnetd.sh. 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 Improper Authentication (CWE-287), which allows attackers to bypass authentication mechanisms to gain unauthorized access. Trendnet TEW733GR v1.03B01 contains a Static Default Credential vulnerability in /etc/init0.d/S80telnetd.sh. Affected products include: Trendnet Tew733Gr Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement multi-factor authentication, enforce strong password policies, use proven authentication frameworks.