CVE-2021-3017 in the critical feed json
The web interface on Intelbras WIN 300 and WRN 342 devices through 2021-01-04 allows remote attackers to discover credentials by reading th…
published 2021-04-14 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-26370
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 63.0%
- EPSS 63.0% chance of exploitation in 30 days, percentile 99.2%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
The web interface on Intelbras WIN 300 and WRN 342 devices through 2021-01-04 allows remote attackers to discover credentials by reading the def_wirelesspassword line in the HTML source code.
Exploit prediction
63.02% chance of exploitation in the next 30 days, higher than 99.2% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template Intelbras WIN 300/WRN 342 - Credentials Disclosure nuclei detection template
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:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
References
-
intelbras.com
/pt-br/ajuda-download/faq/roteador-wireless-veloz-wrn-342
vendor-advisory
-
pastebin.com
/cTYTf0Yn
third-party-advisory
Sources
- CVE List CVE-2021-3017
- NVD CVE-2021-3017
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.