CVE-2023-40464 — Several versions of ALEOS, including ALEOS 4

Several versions of ALEOS, including ALEOS 4.16.0, use a hardcoded

01What is this vulnerability?

Several versions of ALEOS, including ALEOS 4.16.0, use a hardcoded

02Affected products

Vendor	Product	Versions
SierraWireless	ALEOS	4.10, 0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

Open in Sigma generator →

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-12-04T22:59:33.449Z
• Last modified: 2026-02-25T17:20:06.330Z

09References

• source.sierrawireless.com — https://source.sierrawireless.com/resources/security-bulletins/sierra-wireless-t…