Tew 827Dru Firmware CVE-2021-20164

MEDIUM

Insufficiently Protected Credentials (CWE-522)

2021-12-30 vulnreport@tenable.com

Information Disclosure Tew 827Dru Firmware

4.9

CVSS 3.1 · NVD

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Severity by source

NVD PRIMARY

4.9 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

1

CVE Published

Dec 30, 2021 - 22:15 nvd

MEDIUM 4.9

DescriptionNVD

Trendnet AC2600 TEW-827DRU version 2.08B01 improperly discloses credentials for the smb functionality of the device. Usernames and passwords for all smb users are revealed in plaintext on the smbserver.asp page.

AnalysisAI

Trendnet AC2600 TEW-827DRU version 2.08B01 improperly discloses credentials for the smb functionality of the device. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Insufficiently Protected Credentials (CWE-522), which allows attackers to obtain user credentials due to weak protection mechanisms. Trendnet AC2600 TEW-827DRU version 2.08B01 improperly discloses credentials for the smb functionality of the device. Usernames and passwords for all smb users are revealed in plaintext on the smbserver.asp page. Affected products include: Trendnet Tew-827Dru Firmware. Version information: version 2.08.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Hash passwords with strong algorithms (bcrypt, argon2), encrypt credentials in transit and at rest, never log credentials.

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CVE-2021-20164 vulnerability details – vuln.today

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