CVE-2021-3254 json
Asus DSL-N14U-B1 1.1.2.3_805 allows remote attackers to cause a Denial of Service (DoS) via a TCP SYN scan using nmap.
published 2022-05-11 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-26593
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.8%
- EPSS 1.8% chance of exploitation in 30 days, percentile 78%
- public exploits
- 0
- none known
Summary
Asus DSL-N14U-B1 1.1.2.3_805 allows remote attackers to cause a Denial of Service (DoS) via a TCP SYN scan using nmap.
Exploit prediction
1.80% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- kaisersource.github.io https://kaisersource.github.io/dsl-n14u-syn 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 |
References
-
kaisersource.github.io
/dsl-n14u-syn
exploit, third-party-advisory
-
github.com
/kaisersource/kaisersource.github.io/blob/main/_posts/2021-01-22-dsl-n14u.md
broken-link
Sources
- CVE List CVE-2021-3254
- NVD CVE-2021-3254
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