CVE-2021-20157 json
It is possible for an unauthenticated, malicious user to force the device to reboot due to a hidden administrative command.
published 2021-12-30 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-7614
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 75%
- public exploits
- 0
- none known
Summary
It is possible for an unauthenticated, malicious user to force the device to reboot due to a hidden administrative command.
Exploit prediction
1.60% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- tenable.com https://www.tenable.com/security/research/tra-2021-54 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
Affected products
- n/a Trendnet AC2600 TEW-827DRU
References
-
tenable.com
/security/research/tra-2021-54
exploit, third-party-advisory
Sources
- CVE List CVE-2021-20157
- NVD CVE-2021-20157
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