CVE-2021-34569

CRITICAL

WAGO 750-8100/8101/8102 Firmware < 18 - Out-of-bounds Write via Crafted Packet

Title source: llm
STIX 2.1

Description

In WAGO I/O-Check Service in multiple products an attacker can send a specially crafted packet containing OS commands to crash the diagnostic tool and write memory.

References (1)

Core 1
Core References

Scores

CVSS v3 9.8
EPSS 0.0080
EPSS Percentile 52.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-787
Status published
Products (25)
wago/750-8100_firmware 18 (3 CPE variants)
wago/750-8100_firmware < 18
wago/750-8101\/025-000_firmware 18 (3 CPE variants)
wago/750-8101\/025-000_firmware < 18
wago/750-8101_firmware 18 (3 CPE variants)
wago/750-8101_firmware < 18
wago/750-8102\/025-000_firmware 18 (3 CPE variants)
wago/750-8102\/025-000_firmware < 18
wago/750-8102_firmware 18 (3 CPE variants)
wago/750-8102_firmware < 18
... and 15 more
Published Nov 09, 2022
Tracked Since Feb 18, 2026