CVE-2023-40459 | BDVDB-2026-218323 Detail

SierraWirelessALEOS

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.

Impact#

CAPEC-153 Input Data Manipulation

Weaknesses#

CWE-476 NULL Pointer Dereference

References#

https://source.sierrawireless.com/resources/security-bulletins/sierra-wireless-technical-bulletin---swi-psa-2023-006/#sthash.6KUVtE6w.dpbs

Exploit#

No public exploit known

History#

Version 12023-12-04Record published in the CVE List.
Version 22025-05-29Most recent update recorded in the CVE List.

Published

Published: 2023-12-04
Last modified: 2025-05-29

Vendor information

Vendor: SierraWireless
Product: ALEOS

All SierraWireless vulnerabilities

Score

7.5 High

EPSS

2.2%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 83.4.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Memory Corruption

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 4.10 and <= 4.16
Fixed
Not stated
Vulnerable
<= 4.9.8
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

7.5 High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	None
Integrity	None
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).