CVE-2026-67871

HIGH

S2OPC 1.7.3 - Remote Denial of Service via AddNodes Service Buffer Overflow

Title source: llm
STIX 2.1

Description

Buffer Overflow vulnerability in Systerel S2OPC 1.7.3 allows a remote attacker to cause a denial of service via the AddNodes, address_space_bs.c, sopc_node_mgt_helper_internal.c, and toolkit_test_server

References (4)

Core 4

Scores

CVSS v3 7.5
EPSS 0.0027
EPSS Percentile 19.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-120
Status published
Published Aug 06, 2026
Tracked Since Aug 06, 2026