HOMEVULNERABILITIESCVE-2022-40693
HIGH

CVE-2022-40693

CWE-319Published: February 7, 2023· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

A cleartext transmission vulnerability exists in the web application functionality of Moxa SDS-3008 Series Industrial Ethernet Switch 2.1. A specially-crafted network sniffing can lead to a disclosure of sensitive information. An attacker can sniff network traffic to trigger this vulnerability.

NVD Source

Technical Analysis

CVE-2022-40693 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 complete confidentiality breach (data exposure), 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
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Vendors & Products

moxa4 product(s)
sds-3008 firmwaresds-3008sds-3008-t firmwaresds-3008-t
Source: NVD CPE · 4 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://talosintelligence.com/vulnerability_reports/TALOS-2022-1616
ADVISORYhttps://www.moxa.com/en/support/product-support/security-advisory/sds-3008-series-multiple-web-vulnerabilities
ADVISORYhttps://talosintelligence.com/vulnerability_reports/TALOS-2022-1616
ADVISORYhttps://www.moxa.com/en/support/product-support/security-advisory/sds-3008-series-multiple-web-vulnerabilities

All References (5)

→
https://talosintelligence.com/vulnerability_reports/TALOS-2022-1616Exploit · Third Party Advisory
→
https://www.moxa.com/en/support/product-support/security-advisory/sds-3008-series-multiple-web-vulnerabilitiesVendor Advisory
→
https://talosintelligence.com/vulnerability_reports/TALOS-2022-1616Exploit · Third Party Advisory
→
https://www.moxa.com/en/support/product-support/security-advisory/sds-3008-series-multiple-web-vulnerabilitiesVendor Advisory
→
https://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1616

Quick Facts

CVE IDCVE-2022-40693
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-319
CISA KEVNo
Affected1 vendor(s)
PublishedFeb 7, 2023

Related CVEs (CWE-319)

CVE-2025-4378
10.0
CVE-2025-47419
10.0
CVE-2020-9550
9.8
CVE-2018-11749
9.8
CVE-2020-10376
9.8
CVE-2020-9477
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2022-40693 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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