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.
Priority LOW 36Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
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.
Why it matters now
EPSS 0.01795 78th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-3254
- 2026-10-03 Alias added: GHSA-v6mh-52q2-xjgf
References
More ASUS Dsl-n14u-b1 Firmware vulnerabilities
- TI-2017-10767 ASUS DSL-AC51, DSL-AC52U, DSL-AC55U, DSL-N55U C1, DSL-N55U D1, DSL-AC56U, DSL-N10_C1… CVSS 3.0CRITICAL 9.8
- TI-2017-10768 Multiple XML external entity (XXE) vulnerabilities in the AiCloud feature on ASUS… CVSS 3.0MEDIUM 6.5
- TI-2022-14498 Cross Site Scripting (XSS) vulnerability in router Asus DSL-N14U-B1 1.1.2.3_805 via the… CVSS 3.1MEDIUM 5.4
Sources
- CVE-2021-3254 · CVE Program
- CVE-2021-3254 · NVD
- FIRST EPSS
- GHSA-v6mh-52q2-xjgf · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences