CVE-2021-20158 json
Trendnet AC2600 TEW-827DRU version 2.08B01 contains an authentication bypass vulnerability.
published 2021-12-30 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-7615
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 9.6%
- EPSS 9.6% chance of exploitation in 30 days, percentile 95%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
Trendnet AC2600 TEW-827DRU version 2.08B01 contains an authentication bypass vulnerability. It is possible for an unauthenticated, malicous actor to force the change of the admin password due to a hidden administrative command.
Exploit prediction
9.62% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template Trendnet AC2600 TEW-827DRU 2.08B01 - Admin Password Change nuclei detection template
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- n/a Trendnet AC2600 TEW-827DRU
Classification
- Weakness
-
- CWE-306 Missing Authentication for Critical Functionality
References
-
tenable.com
/security/research/tra-2021-54
third-party-advisory
Sources
- CVE List CVE-2021-20158
- NVD CVE-2021-20158
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