CVE-2021-20164

4.9 mediumEPSS 0.7%

Medium (4.9) in trendnet tew-827dru firmware. EPSS 0.7% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

4.9 medium

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

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 54% of CVEs (scores of 2026-10-31)
CWE: CWE-522
Published: 2021-12-30
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

trendnet:tew-827dru_firmware

References

https://www.tenable.com/security/research/tra-2021-54
https://www.tenable.com/security/research/tra-2021-54

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