CVE-2021-25158

MEDIUM

Aruba Instant <8.5.0.11 - Info Disclosure

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-25158.

AI-analyzed exploit summary This exploit targets CVE-2021-25158, a race condition in D-Link routers, to leak credentials, authenticate, and achieve remote code execution by creating a malicious file and spawning a telnet shell. It combines UDP packet flooding with HTTP-based command injection.

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.

Exploits (1)

exploitdb WORKING POC
pythonremotecgi
https://www.exploit-db.com/exploits/50136

This exploit targets CVE-2021-25158, a race condition in D-Link routers, to leak credentials, authenticate, and achieve remote code execution by creating a malicious file and spawning a telnet shell. It combines UDP packet flooding with HTTP-based command injection.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Complex
Reliability
Racy
Target: D-Link routers (specific models affected by CVE-2021-25158)
No auth needed
Prerequisites: Network access to the target router · UDP port 8211 and HTTPS port 4343 accessible
devstral-2 · analyzed Feb 19, 2026 Full analysis →

References (3)

Core 3
Core References
Patch, Vendor Advisory x_refsource_confirm
https://cert-portal.siemens.com/productcert/pdf/ssa-723417.pdf
Exploit, Third Party Advisory, VDB Entry x_refsource_misc
http://packetstormsecurity.com/files/163522/Aruba-Instant-IAP-Remote-Code-Execution.html

Scores

CVSS v3 5.9
EPSS 0.3058
EPSS Percentile 98.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-362
Status published
Products (2)
arubanetworks/instant 6.5.0.0 - 6.5.4.19
siemens/scalance_w1750d_firmware 8.7.0 - 8.7.1.3
Published Mar 30, 2021
Tracked Since Feb 18, 2026