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Fencer Vulns
medium 4.9

CVE-2021-25156 json

A remote arbitrary directory create vulnerability was discovered in some Aruba Instant Access Point (IAP) products in version(s): Aruba Ins…

published 2021-03-30 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-12067

cvss
4.9
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
39.6%
EPSS 39.6% chance of exploitation in 30 days, percentile 98%
public exploits
1
Exploit-DB

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.

Patch / fix

  • arubanetworks instant 6.5.4.19, 8.3.0.15, 8.5.0.12, 8.6.0.7, 8.7.1.1
  • siemens scalance_w1750d_firmware 8.7.1.3

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-21-131-14 updated cvss 4.9

Siemens SCALANCE W1750D (Update B)

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

Timeline

  1. Published
  2. First public exploit (EDB-50136)

Exploit prediction

39.65% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-50136 Aruba Instant (IAP) - Remote Code Execution remote, 2021-07-15
  • packetstormsecurity.com http://packetstormsecurity.com/files/163522/Aruba-Instant-IAP-Remote-Code-Execution.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 4.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:N/I:P/A:N

Affected products

  • n/a Aruba Instant Access Points

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.