HOMEVULNERABILITIESCVE-2026-3587
CRITICAL

CVE-2026-3587

CWE-912Published: March 23, 2026· Updated: Mar 24, 2026

10.0
CVSS v3.1
EPSS:0.09%probability of exploitation in 30 daysPercentile:25.5th

Official Description

An unauthenticated remote attacker can exploit a hidden function in the CLI prompt to escape the restricted interface, leading to full compromise of the device.

NVD Source

Technical Analysis

CVE-2026-3587 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), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 10.0.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.

CVSS v3.1 Vector Breakdown

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

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

News & Research Mentioning CVE-2026-3587

WAGO GmbH & Co. KG Industrial Managed Switches
CISA Alerts· Mar 26, 2026

View CSAF Summary An unauthenticated remote attacker can exploit a hidden function in the CLI prompt to escape the restricted interface, leading to full compromise of the device. The following versions of WAGO GmbH & Co. KG Industrial Managed Switches are affected: WAGO Firmware versions prior to V1.2.1.S0 WAGO_Hardware_852-1812 (CVE-2026-3587) WAGO Firmware versions prior to V1.2.1.S0 WAGO_Hardware_852-1813 (CVE-2026-3587) WAGO Firmware versions prior to V1.2.3.S0 WAGO_Hardware_852-1813/000-001 (CVE-2026-3587) WAGO Firmware versions prior to V1.2.1.S0 WAGO_Hardware_852-1816 (CVE-2026-3587) WAGO Firmware versions prior to V1.2.8.S0 WAGO_Hardware_852-303 (CVE-2026-3587) WAGO Firmware versions prior to V1.2.0.S0 WAGO_Hardware_852-1305 (CVE-2026-3587) W [xlite_meta score:79 src:CISA Alerts xlite_fp:6e13b3aae36d372fbe39e4d928df9b28a6e64c0700bd437f09eb5e04186c59c4]

All References (1)

Quick Facts

CVE IDCVE-2026-3587
CVSS Score10.0 / 10
SeverityCRITICAL
WeaknessCWE-912
CISA KEVNo
EPSS (30d)0.09%
PublishedMar 23, 2026

Known Threat Actors

wa
financial
core
financial

Related CVEs (CWE-912)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-3587 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.