CVEvulnerability

CVE-2021-34566

9.1 CRITICAL Published 2022-11-09 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2022-11-09
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.1 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Weaknesses
CWE-120

Description

In WAGO I/O-Check Service in multiple products an unauthenticated remote attacker can send a specially crafted packet containing OS commands to crash the iocheck process and write memory resulting in loss of integrity and DoS.

Affected configurations

• wago 750-8100 firmware (< 18) • wago 750-8100 firmware 18 • wago 750-8101 firmware (< 18) • wago 750-8101 firmware 18 • wago 750-8101\/025-000 firmware (< 18) • wago 750-8101\/025-000 firmware 18 • wago 750-8102 firmware (< 18) • wago 750-8102 firmware 18 • wago 750-8102\/025-000 firmware (< 18) • wago 750-8102\/025-000 firmware 18 • wago 750-8202 firmware (< 18) • wago 750-8202 firmware 18 • wago 750-8202\/000-011 firmware (< 18) • wago 750-8202\/000-011 firmware 18 • wago 750-8202\/000-012 firmware (< 18) • wago 750-8202\/000-012 firmware 18 • wago 750-8202\/000-022 firmware (< 18) • wago 750-8202\/000-022 firmware 18 • wago 750-8202\/025-000 firmware (< 18) • wago 750-8202\/025-000 firmware 18 • wago 750-8202\/025-001 firmware (< 18) • wago 750-8202\/025-001 firmware 18 • wago 750-8202\/025-002 firmware (< 18) • wago 750-8202\/025-002 firmware 18 • wago 750-8202\/040-000 firmware (< 18) • wago 750-8202\/040-000 firmware 18 • wago 750-8202\/040-001 firmware (< 18) • wago 750-8202\/040-001 firmware 18 • wago 752-8303\/8000-002 firmware (< 18) • wago 752-8303\/8000-002 firmware 18 • wago 762-4101 firmware (< 18) • wago 762-4101 firmware 18 • wago 762-4102 firmware (< 18) • wago 762-4102 firmware 18 • wago 762-4103 firmware (< 18) • wago 762-4103 firmware 18 • wago 762-4104 firmware (< 18) • wago 762-4104 firmware 18 • wago 762-4201\/8000-001 firmware (< 18) • wago 762-4201\/8000-001 firmware 18 • wago 762-4202\/8000-001 firmware (< 18) • wago 762-4202\/8000-001 firmware 18 • wago 762-4203\/8000-001 firmware (< 18) • wago 762-4203\/8000-001 firmware 18 • wago 762-4204\/8000-001 firmware (< 18) • wago 762-4204\/8000-001 firmware 18 • wago 762-4205\/8000-001 firmware (< 18) • wago 762-4205\/8000-001 firmware 18 • wago 762-4205\/8000-002 firmware (< 18) • wago 762-4205\/8000-002 firmware 18 • wago 762-4206\/8000-001 firmware (< 18) • wago 762-4206\/8000-001 firmware 18 • wago 762-4206\/8000-002 firmware (< 18) • wago 762-4206\/8000-002 firmware 18 • wago 762-4301\/8000-002 firmware (< 18) • wago 762-4301\/8000-002 firmware 18 • wago 762-4302\/8000-002 firmware (< 18) • wago 762-4302\/8000-002 firmware 18 • wago 762-4303\/8000-002 firmware (< 18) • wago 762-4303\/8000-002 firmware 18 … and 38 more

Related

Weakness · CWE (1)

  • CWE-120 Buffer Copy without Checking Size of Input weakness

References