A remote arbitrary directory create vulnerability was discovered in some Aruba Instant…
Priority MEDIUM 50Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
A remote arbitrary directory create vulnerability was discovered in some Aruba Instant Access Point (IAP) products in version(s): Aruba Instant 6.4.x: 6.4.4.8-4.2.4.17 and below; Aruba Instant 6.5.x: 6.5.4.18 and below; Aruba Instant 8.3.x: 8.3.0.14 and below; Aruba Instant 8.5.x: 8.5.0.11 and below; Aruba Instant 8.6.x: 8.6.0.6 and below; Aruba Instant 8.7.x: 8.7.1.0 and below. Aruba has released patches for Aruba Instant that address this security vulnerability.
Why it matters now
EPSS 0.3965 98th 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 |
|---|---|---|---|---|---|
| — | Aruba Instant Access Points | Aruba Instant 6.4.x: 6.4.4.8-4.2.4.17 and below; Aruba Instant 6.5.x: 6.5.4.18 and below; Aruba Instant 8.3.x: 8.3.0.14 and below; Aruba Instant 8.5.x: 8.5.0.11 and below; Aruba Instant 8.6.x: 8.6.0.6 and below; Aruba Instant 8.7.x: 8.7.1.0 and below | — | No fix listed | CNA |
- Aruba Instant Access Points Vendor— Affected Aruba Instant 6.4.x: 6.4.4.8-4.2.4.17 and below; Aruba Instant 6.5.x: 6.5.4.18 and below; Aruba Instant 8.3.x: 8.3.0.14 and below; Aruba Instant 8.5.x: 8.5.0.11 and below; Aruba Instant 8.6.x: 8.6.0.6 and below; Aruba Instant 8.7.x: 8.7.1.0 and below Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:arubanetworks:instant:*:*:*:*:*:*:*:* | 6.4.0.0 – 6.4.4.8-4.2.4.18; 6.5.0.0 to before 6.5.4.19; 8.3.0.0 to before 8.3.0.15; 8.5.0.0 to before 8.5.0.12; 8.6.0.0 to before 8.6.0.7; 8.7.1.0 to before 8.7.1.1 | Vulnerable | Arubanetworks |
| cpe:2.3:o:siemens:scalance_w1750d_firmware:*:*:*:*:*:*:*:* | 8.7.0 to before 8.7.1.3 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:scalance_w1750d:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
- cpe:2.3:o:arubanetworks:instant:*:*:*:*:*:*:*:* Versions 6.4.0.0 – 6.4.4.8-4.2.4.18; 6.5.0.0 to before 6.5.4.19; 8.3.0.0 to before 8.3.0.15; 8.5.0.0 to before 8.5.0.12; 8.6.0.0 to before 8.6.0.7; 8.7.1.0 to before 8.7.1.1 Vulnerable ·Arubanetworks
- cpe:2.3:o:siemens:scalance_w1750d_firmware:*:*:*:*:*:*:*:* Versions 8.7.0 to before 8.7.1.3 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-2021-25156
- 2026-10-03 Alias added: GHSA-6896-p39g-5747
References
Sources
- CVE-2021-25156 · CVE Program
- CVE-2021-25156 · NVD
- FIRST EPSS
- GHSA-6896-p39g-5747 · GitHub Advisory Database · CC BY 4.0
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