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Public proof of conceptFix available

CVE-2021-25162

A public proof of concept exists; no exploitation attested.

  • Published2021-03-30
  • Fixed in8.7.1.2 · 8.6.0.8 · 8.5.0.12 · 8.3.0.15 · 6.5.4.19
  • WeaknessCWE-78

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A remote execution of arbitrary commands 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: 8.6.0.7 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.

Timeline

dates in UTC
  1. 2021-03-3002:15CVE publishedNVD
  2. 2021-07-15Exploit-DB entryExploit-DB

Versions per branch

NVD
Arubanetworks instant
BranchAffectedFixed in
8.7≥ 8.7.0.0, < 8.7.1.28.7.1.2
8.6≥ 8.6.0.0, < 8.6.0.88.6.0.8
8.5≥ 8.5.0.0, < 8.5.0.128.5.0.12
8.3≥ 8.3.0.0, < 8.3.0.158.3.0.15
6.5≥ 6.5.0.0, < 6.5.4.196.5.4.19
6.4≥ 6.4.0.0, ≤ 6.4.4.8-4.2.4.18no fix published
Siemens scalance w1750d firmwareversion to verify
BranchAffectedFixed in
8.7≥ 8.7.0, < 8.7.1.38.7.1.3

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • ICSA-21-131-14 CISA1 known affected

    Siemens SCALANCE W1750D (Update B)

    SCALANCE W1750D

  • SSA-723417 Siemens ProductCERT1 known affected

    SSA-723417: Multiple Vulnerabilities in SCALANCE W1750D

    SCALANCE W1750D

Full record on NVD

Fix

  1. Update Arubanetworks instant to 8.7.1.2 · 8.6.0.8 · 8.5.0.12 · 8.3.0.15 · 6.5.4.19
  2. Vendor fix Siemens ProductCERT SSA-723417 · 1 productUpdate to V8.7.0 or later version
  3. Vendor fix Siemens ProductCERT SSA-723417 · 1 productUpdate to V8.7.1.3 or later version
  4. Vendor fix CISA ICSA-21-131-14 · 1 productUpdate to V8.7.0 or later version
  5. Vendor fix CISA ICSA-21-131-14 · 1 productUpdate to V8.7.1.3 or later version
  6. Mitigation from the vendor Siemens ProductCERT SSA-723417 · 2 productsBlock access to the Aruba Instant device IP address on port UDP/8211 from all untrusted users
  7. Mitigation from the vendor Siemens ProductCERT SSA-723417 · 2 productsBlock access to the Aruba Instant Command Line Interface from all untrusted users

Advisories and patches

Detection

read 2026-11-01 01:02 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
EDB-50136
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVSS 3.18.1read 2026-10-23
  • NVDCVSS 2.09.3read 2026-10-23
  • NVDweakness (CWE)CWE-78read 2026-10-23
  • FIRST EPSSEPSS score25.8 %read 2026-11-04
  • PoC-in-GitHubproof of concept1known since 2026-11-01
  • Exploit-DBdetectionread 2026-11-04

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2021-03-30
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2021-25162?

A remote execution of arbitrary commands 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: 8.6.0.7 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.

Is CVE-2021-25162 actively exploited?

Active exploitation of CVE-2021-25162 has not been confirmed. Its EPSS score was 25.8% on 2026-11-04, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-25162?

CVE-2021-25162 has a CVSS v3 base score of 8.1 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

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