CVE-2021-25158

MEDIUM

5.9

CVSS Score

Published: March 30, 2021 at 01:32 AM UTC

Updated: June 17, 2026 at 03:41 AM UTC

3 products affected across 2 vendorsInstantScalance W1750D FirmwareScalance W1750D

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Severity

MEDIUM5.9

Exploit prediction

EPSS 30%

Description

A remote arbitrary file read vulnerability was discovered in some Aruba Instant Access Point (IAP) products in version(s): 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: 8.6.0.7 and below; Aruba Instant 8.7.x: 8.7.1.1 and below. Aruba has released patches for Aruba Instant that address this security vulnerability.

Affected

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

Instant · Aruba Networks

95%

v ≤ 6.5.4.18v ≤ 8.3.0.14v ≤ 8.5.0.11v ≤ 8.6.0.7v ≤ 8.7.1.16.5.0.0 ≤ v < 6.5.4.198.3.0.0 ≤ v < 8.3.0.158.5.0.0 ≤ v < 8.5.0.128.6.0.0 ≤ v < 8.6.0.88.7.0.0 ≤ v < 8.7.1.2

Affected range stops below 6.5.4.19, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.3.0.15, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.5.0.12, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.6.0.8, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.7.1.2, so it looks safe — our inference, not a vendor statement

Scalance W1750D Firmware · Siemens

95%

8.7.0 ≤ 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)

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 (3)

x_refsource_MISCExploitThird Party AdvisoryVDB Entry

Source: [email protected]

http://packetstormsecurity.com/files/163522/Aruba-Instant-IAP-Remote-Code-Execution.html

x_refsource_CONFIRMPatchVendor Advisory

Source: [email protected]

https://cert-portal.siemens.com/productcert/pdf/ssa-723417.pdf

x_refsource_MISCVendor Advisory

Source: [email protected]

https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2021-007.txt

CVSS

5.9MEDIUM[email protected]

Attack Vector: NETWORK
Complexity: HIGH
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: NONE
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-362

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