CVE-2021-34567

HIGH

Wago 750-8100 Firmware < 18 - Out-of-Bounds Read

Title source: rule
STIX 2.1

Description

In WAGO I/O-Check Service in multiple products an unauthenticated remote attacker can send a specially crafted packet containing OS commands to provoke a denial of service and an limited out-of-bounds read.

References (1)

Core 1
Core References

Scores

CVSS v3 8.2
EPSS 0.0090
EPSS Percentile 75.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-125
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