CVE-2021-20164
MEDIUMCVSS 4.9/10EPSS 0.73%
Last modified
CVE-2021-20164 is a medium-severity vulnerability rated 4.9/10 on the CVSS scale. 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.. EPSS estimates a 0.73% chance of exploitation in the next 30 days.
Description
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Trendnet | Tew-827dru Firmware | 2.08b01 |
References
- https://www.tenable.com/security/research/tra-2021-54Third Party Advisory
- https://www.tenable.com/security/research/tra-2021-54Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-20164?
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.
How severe is CVE-2021-20164?
CVE-2021-20164 has a CVSS score of 4.9/10 (MEDIUM severity). The EPSS model estimates a 0.73% probability of exploitation in the next 30 days.
How do I fix CVE-2021-20164?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-20164?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST