HOMEVULNERABILITIESCVE-2023-40462
HIGH

CVE-2023-40462

CWE-617Published: December 4, 2023· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

The ACEManager

component of ALEOS 4.16 and earlier does not

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.

NVD Source

Technical Analysis

CVE-2023-40462 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

Debian1 product(s)
debian linux
sierrawireless8 product(s)
aleoses450gx450lx40lx60mp70rv50xrv55
Source: NVD CPE · 9 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://lists.debian.org/debian-lts-announce/2023/12/msg00024.html
ADVISORYhttps://source.sierrawireless.com/resources/security-bulletins/sierra-wireless-technical-bulletin---swi-psa-2023-006/#sthash.6KUVtE6w.dpbs
ADVISORYhttps://lists.debian.org/debian-lts-announce/2023/12/msg00024.html
ADVISORYhttps://source.sierrawireless.com/resources/security-bulletins/sierra-wireless-technical-bulletin---swi-psa-2023-006/#sthash.6KUVtE6w.dpbs

All References (4)

→
https://lists.debian.org/debian-lts-announce/2023/12/msg00024.htmlMailing List · Third Party Advisory
→
https://source.sierrawireless.com/resources/security-bulletins/sierra-wireless-technical-bulletin---swi-psa-2023-006/#sthash.6KUVtE6w.dpbsVendor Advisory
→
https://lists.debian.org/debian-lts-announce/2023/12/msg00024.htmlMailing List · Third Party Advisory
→
https://source.sierrawireless.com/resources/security-bulletins/sierra-wireless-technical-bulletin---swi-psa-2023-006/#sthash.6KUVtE6w.dpbsVendor Advisory

Quick Facts

CVE IDCVE-2023-40462
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-617
CISA KEVNo
Affected2 vendor(s)
PublishedDec 4, 2023

Related CVEs (CWE-617)

CVE-2019-9795
9.8
CVE-2020-3615
9.8
CVE-2020-6623
8.8
CVE-2020-12417
8.8
CVE-2020-6617
8.8
CVE-2020-6619
8.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-40462 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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