Out-of-bounds Write in KUNBUS piControl
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
Nozomi Networks Labs identified a CWE-787: Out-of-bounds Write vulnerability in the process-image management functionality of KUNBUS piControl in version 2.6.2 that allows a local authenticated attacker with device configuration access to write attacker-controlled data outside the bounds of the process-image buffer and corrupt adjacent kernel memory, resulting in kernel memory corruption and denial of service, by supplying crafted device configuration data and crafted input through the piControl character device.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-13196
- 2026-10-03 Alias added: GHSA-j9mv-375p-293q
References
More KUNBUS vulnerabilities
- TI-2025-27612 RevPi Webstatus application is vulnerable to an authentication bypass CVSS 3.1CRITICAL 9.8
- TI-2025-23135 KUNBUS Revolution Pi Authentication Bypass by Primary Weakness CVSS 4.0CRITICAL 9.3
- TI-2025-24619 KUNBUS Revolution Pi Improper Neutralization of Server-Side Includes (SSI) Within a Web Page CVSS 4.0HIGH 8.5
- TI-2019-04581 Improper authentication in ICS-CERT PR100088 Modbus gateway CVSS 3.1CRITICAL 9.8
- TI-2025-24876 KUNBUS Revolution Pi Improper Neutralization of Server-Side Includes (SSI) Within a Web Page CVSS 4.0MEDIUM 5.1
- TI-2019-04587 Missing authentication in ICS-CERT PR100088 Modbus gateway CVSS 3.1CRITICAL 9.1
Sources
- CVE-2026-13196 · CVE Program
- CVE-2026-13196 · NVD
- FIRST EPSS
- GHSA-j9mv-375p-293q · GitHub Advisory Database · CC BY 4.0
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