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TI-2017-03935 Aliases CVE-2017-6025GHSA-86wq-qm2r-82w8

Stack-based buffer overflow in 3S-Smart Software Solutions GmbH CODESYS Web Server

Priority MEDIUM 46CWE-121Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.

Summary

A Stack Buffer Overflow issue was discovered in 3S-Smart Software Solutions GmbH CODESYS Web Server. The following versions of CODESYS Web Server, part of the CODESYS WebVisu web browser visualization software, are affected: CODESYS Web Server Versions 2.3 and prior. A malicious user could overflow the stack buffer by providing overly long strings to functions that handle the XML. Because the function does not verify string size before copying to memory, the attacker may then be able to crash the application or run arbitrary code.

Why it matters now

EPSS 0.01998 80th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—3S-Smart Software Solutions GmbH CODESYS Web Server3S-Smart Software Solutions GmbH CODESYS Web Server—No fix listedCNA
  • 3S-Smart Software Solutions GmbH CODESYS Web Server Vendor— Affected 3S-Smart Software Solutions GmbH CODESYS Web Server Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:codesys:web_server:*:*:*:*:*:*:*:*up to 2.3VulnerableCODESYS
  • cpe:2.3:a:codesys:web_server:*:*:*:*:*:*:*:* Versions up to 2.3 Vulnerable ·CODESYS

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-6025
  2. 2026-10-03 Alias added: GHSA-86wq-qm2r-82w8

References

Advisory 1

  • TI-2017-03937 Unrestricted file upload in 3S-Smart Software Solutions GmbH CODESYS Web Server CVSS 3.0CRITICAL 9.8
  • TI-2022-13697 Insecure transmission of credentials in CODESYS Development System CVSS 3.1HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences