HOMEVULNERABILITIESCVE-2022-3843
CRITICAL

CVE-2022-3843

CWE-912Published: February 16, 2023· Updated: Jun 17, 2026

9.1
CVSS v3.1

Official Description

In WAGO Unmanaged Switch (852-111/000-001) in firmware version 01 an undocumented configuration interface without authorization allows an remote attacker to read system information and configure a limited set of parameters.

NVD Source

Technical Analysis

CVE-2022-3843 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), availability disruption (denial of service), with a CVSS base score of 9.1.

CVSS v3.1 Vector Breakdown

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

Affected Vendors & Products

wago2 product(s)
852-111\/000-001 firmware852-111\/000-001
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (2)

Quick Facts

CVE IDCVE-2022-3843
CVSS Score9.1 / 10
SeverityCRITICAL
WeaknessCWE-912
CISA KEVNo
Affected1 vendor(s)
PublishedFeb 16, 2023

Related CVEs (CWE-912)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2022-3843 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.