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ICS Advisories

Advisories specifically aimed at industrial control systems — from CISA ICS-CERT and directly from vendors (including Siemens, ABB, Schneider Electric, WAGO and Phoenix Contact) — including revision history (initial publication, Update A, Update B) and linked CVEs.

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Advisory data: live connection— last retrieved: 7 November 2026 at 23:06.

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1 advisories found

VDE-2026-020

WAGO: Vulnerability in managed switches

WAGO — Industrial Managed Switch

WAGO PSIRTcritical

Published

23 March 2026

Last update

23 March 2026

Linked CVEs

Affected sectors

Risk evaluation

A vulnerability has been found affecting the Managed Switches of WAGO. An unauthenticated attacker can fully compromise the device via an undocumented function.

Mitigation summary

Please update your devices to the specified fixed firmware version. | Product | Fixed Version | |-------------------------------------------|---------------| | Lean Managed Switch 852-1812 | V1.2.1.S1 | | Lean Managed Switch 852-1813 | V1.2.1.S1 | | Lean Managed Switch 852-1813/000-001| V1.2.3.S1 | | Lean Managed Switch 852-1816 | V1.2.1.S1 | | Industrial Managed Switch 852-303 | V1.2.8.S1 | | Industrial Managed Switch 852-1305 | V1.2.0.S1 | | Industrial Managed Switch 852-1305/000-001| V1.2.0.S1 | | Industrial Managed Switch 852-1505/000-001| V1.2.0.S1 | | Industrial Managed Switch 852-1505 | V1.1.9.S1 | | Industrial Managed Switch 852-602 | V1.0.6.S1 | | Industrial Managed Switch 852-603 | V1.0.6.S1 | | Industrial Managed Switch 852-1605 | V1.2.5.S1 | | Lean Managed Switch 852-1812/010-000| V1.2.1.S1 | | Lean Managed Switch 852-1813/010-000| V1.2.1.S1 | | Lean Managed Switch 852-1813/010-001| V1.2.1.S1 | | Lean Managed Switch 852-1816/010-000| V1.2.1.S1 |

Revision history (1)
  1. Initial publication — 23 March 2026

    Release version.

Official source: WAGO PSIRT