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TI-2021-03454 Aliases CVE-2021-20154GHSA-vq3f-hc79-r4pc

Cleartext transmission of sensitive information in Trendnet AC2600 TEW-827DRU

Priority LOW 34CWE-319Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-319.

Summary

Trendnet AC2600 TEW-827DRU version 2.08B01 contains an security flaw in the web interface. HTTPS is not enabled on the device by default. This results in cleartext transmission of sensitive information such as passwords.

Why it matters now

EPSS 0.00792 56th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Trendnet AC2600 TEW-827DRU2.08B01—No fix listedCNA
  • Trendnet AC2600 TEW-827DRU Vendor— Affected 2.08B01 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:trendnet:tew-827dru_firmware:2.08b01:*:*:*:*:*:*:*2.08b01VulnerableTRENDnet
cpe:2.3:h:trendnet:tew-827dru:2.0:*:*:*:*:*:*:*2.0Running onTRENDnet
  • cpe:2.3:o:trendnet:tew-827dru_firmware:2.08b01:*:*:*:*:*:*:* Versions 2.08b01 Vulnerable ·TRENDnet
  • cpe:2.3:h:trendnet:tew-827dru:2.0:*:*:*:*:*:*:* Versions 2.0 Running on ·TRENDnet

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-20154
  2. 2026-10-03 Alias added: GHSA-vq3f-hc79-r4pc

References

Advisory 1

  • TI-2024-18847 There is a command injection vulnerability in the TRENDnet TEW-827DRU router with… CVSS 3.1CRITICAL 10.0
  • TI-2024-18846 There is a command injection vulnerability in the TRENDnet TEW-827DRU router with… CVSS 3.1HIGH 8.8
  • TI-2024-24383 TRENDnet TEW-827DRU devices through 2.06B04 contain a stack-based buffer overflow in the… CVSS 3.1HIGH 8.1
  • TI-2021-03458 Missing authentication in Trendnet AC2600 TEW-827DRU CVSS 3.1CRITICAL 9.8
  • TI-2019-09962 TRENDnet TEW-827DRU with firmware up to and including 2.04B03 contains multiple command… CVSS 3.0CRITICAL 9.8
  • TI-2021-03450 Missing authentication in Trendnet AC2600 TEW-827DRU CVSS 3.1MEDIUM 5.3
See all 41 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences