CVE-2026-67871: n/a
CVE-2026-67871 is a buffer overflow vulnerability in Systerel S2OPC version 1.7.3. It allows a remote attacker to cause a denial of service via specific components including AddNodes, address_space_bs.c, sopc_node_mgt_helper_internal.c, and toolkit_test_server. The vulnerability has a high severity rating with a CVSS score of 7.5. No official patch or remediation information is currently available.
AI Analysis
Technical Summary
This vulnerability is a buffer overflow in Systerel S2OPC 1.7.3 affecting the AddNodes functionality and several internal components (address_space_bs.c, sopc_node_mgt_helper_internal.c, toolkit_test_server). Exploitation can lead to denial of service by crashing the affected system remotely without requiring privileges or user interaction. The CVSS 3.1 vector indicates it is remotely exploitable over the network with low attack complexity and no privileges or user interaction required. Confidentiality and integrity impacts are not affected, but availability is severely impacted.
Potential Impact
Successful exploitation results in denial of service, causing the affected Systerel S2OPC 1.7.3 system to crash or become unavailable. There is no impact on confidentiality or integrity according to the CVSS vector. This could disrupt operations relying on the affected software.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, consider restricting network access to the affected service to trusted sources to reduce exposure.
CVE-2026-67871: n/a
Description
CVE-2026-67871 is a buffer overflow vulnerability in Systerel S2OPC version 1.7.3. It allows a remote attacker to cause a denial of service via specific components including AddNodes, address_space_bs.c, sopc_node_mgt_helper_internal.c, and toolkit_test_server. The vulnerability has a high severity rating with a CVSS score of 7.5. No official patch or remediation information is currently available.
CVSS v3.1
Score 7.5high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability is a buffer overflow in Systerel S2OPC 1.7.3 affecting the AddNodes functionality and several internal components (address_space_bs.c, sopc_node_mgt_helper_internal.c, toolkit_test_server). Exploitation can lead to denial of service by crashing the affected system remotely without requiring privileges or user interaction. The CVSS 3.1 vector indicates it is remotely exploitable over the network with low attack complexity and no privileges or user interaction required. Confidentiality and integrity impacts are not affected, but availability is severely impacted.
Potential Impact
Successful exploitation results in denial of service, causing the affected Systerel S2OPC 1.7.3 system to crash or become unavailable. There is no impact on confidentiality or integrity according to the CVSS vector. This could disrupt operations relying on the affected software.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, consider restricting network access to the affected service to trusted sources to reduce exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-07-30T00:00:00.000Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a73c6b4bf8831d5399d0b83
Added to database: 08/05/2026, 23:26:44 UTC
Last enriched: 08/13/2026, 17:35:32 UTC
Last updated: 08/16/2026, 04:03:02 UTC
Views: 30
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