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OpenAdvisories
High · 7.5 Public exploit CVE-2023-40459 EUVD-2023-45030GHSA-mrh4-hf55-27fq

Improper input leads to DoS

Published Dec 4, 2023 · Updated May 29, 2025 · Assigned by SWI

Description

The
ACEManager component of ALEOS 4.16 and earlier does not adequately perform
input sanitization during authentication, which could potentially result in a
Denial of Service (DoS) condition for ACEManager without impairing other router
functions. ACEManager recovers from the DoS condition by restarting within ten
seconds of becoming unavailable.

Affected products

VendorProductAffectedFixed
SierraWireless ALEOS 4.10 – ≤ 4.16, ≤ 4.9.8 —

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 2 repositories

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Advisories 1

References