A remote denial of service (dos) vulnerability was discovered in some Aruba Instant…
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
A remote denial of service (dos) vulnerability was discovered in some Aruba Instant Access Point (IAP) products in version(s): Aruba Instant 8.3.x: 8.3.0.12 and below; Aruba Instant 8.5.x: 8.5.0.9 and below; Aruba Instant 8.6.x: 8.6.0.4 and below. Aruba has released patches for Aruba Instant that address this security vulnerability.
Why it matters now
EPSS 0.01452 73rd percentileScored 2026-11-07
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 |
|---|---|---|---|---|---|
| — | Aruba Instant Access Points | Aruba Instant 8.3.x: 8.3.0.12 and below; Aruba Instant 8.5.x: 8.5.0.9 and below; Aruba Instant 8.6.x: 8.6.0.4 and below | — | No fix listed | CNA |
- Aruba Instant Access Points Vendor— Affected Aruba Instant 8.3.x: 8.3.0.12 and below; Aruba Instant 8.5.x: 8.5.0.9 and below; Aruba Instant 8.6.x: 8.6.0.4 and below Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:arubanetworks:instant:*:*:*:*:*:*:*:* | 8.3.0.0 to before 8.3.0.13; 8.5.0.0 to before 8.5.0.10; 8.6.0.0 to before 8.6.0.5 | Vulnerable | Arubanetworks |
| cpe:2.3:o:siemens:scalance_w1750d_firmware:*:*:*:*:*:*:*:* | before 8.7.0 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:scalance_w1750d:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
- cpe:2.3:o:arubanetworks:instant:*:*:*:*:*:*:*:* Versions 8.3.0.0 to before 8.3.0.13; 8.5.0.0 to before 8.5.0.10; 8.6.0.0 to before 8.6.0.5 Vulnerable ·Arubanetworks
- cpe:2.3:o:siemens:scalance_w1750d_firmware:*:*:*:*:*:*:*:* Versions before 8.7.0 Vulnerable ·Siemens
- cpe:2.3:h:siemens:scalance_w1750d:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-25143
- 2026-10-03 Alias added: GHSA-whw2-3966-q7jh
References
Sources
- CVE-2021-25143 · CVE Program
- CVE-2021-25143 · NVD
- FIRST EPSS
- GHSA-whw2-3966-q7jh · GitHub Advisory Database · CC BY 4.0
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