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CVE-2021-37735

MEDIUM
5.3
CVSS Score
Published: October 12, 2021 at 03:14 PM UTC
Updated: June 17, 2026 at 04:01 AM UTC
4 products affected across 2 vendorsScalance W1750D FirmwareAruba InstantScalance W1750D

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Severity
MEDIUM5.3
Exploit prediction
EPSS 1%

Description

A remote denial of service vulnerability was discovered in Aruba Instant version(s): Aruba Instant 6.5.x.x: 6.5.4.18 and below; Aruba Instant 8.5.x.x: 8.5.0.10 and below; Aruba Instant 8.6.x.x: 8.6.0.4 and below. Aruba has released patches for Aruba Instant (IAP) that address this security vulnerability.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Aruba Instant· Aruba Networks
95%
6.5.4.0 ≤ v < 6.5.4.188.5.0.0 ≤ v < 8.5.0.118.6.0.0 ≤ v < 8.6.0.5
Affected range stops below 6.5.4.18, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.5.0.11, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.6.0.5, so it looks safe — our inference, not a vendor statement
Scalance W1750D Firmware· Siemens
95%
v < 8.7.1.3
Affected range stops below 8.7.1.3, so it looks safe — our inference, not a vendor statement
siemens-scalance-w1750d (same device)
Instant· Aruba Networks
60%
v ≤ 6.5.4.18v ≤ 8.5.0.10v ≤ 8.6.0.4
Scalance W1750D· Siemensdevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

x_refsource_CONFIRMPatchThird Party Advisory
Source: [email protected]
https://cert-portal.siemens.com/productcert/pdf/ssa-917476.pdf
x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2021-017.txt

CVSS

5.3MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-134

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