CVE-2026-22904

CRITICAL

WAGO 0852-1322 and 0852-1328 < 2.64 - Unauthenticated Stack-based Buffer Overflow via Oversized Cookie Values

Title source: llm
STIX 2.1

Description

Improper length handling when parsing multiple cookie fields (including TRACKID) allows an unauthenticated remote attacker to send oversized cookie values and trigger a stack buffer overflow, resulting in a denial‑of‑service condition and possible remote code execution.

References (1)

Core 1
Core References

Scores

CVSS v3 9.8
EPSS 0.0054
EPSS Percentile 41.0%
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 yes
Technical Impact total

Details

CWE
CWE-121
Status published
Products (4)
WAGO/0852-1322 0.0.0 - 2.64
WAGO/0852-1322 2.64
WAGO/0852-1328 0.0.0 - 2.64
WAGO/0852-1328 2.64
Published Feb 09, 2026
Tracked Since Feb 18, 2026