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CVE-2026-13196— Out-of-bounds Write in KUNBUS piControl

Quick assessment

Affected
KUNBUS piControl
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

KUNBUS piControl是KUNBUS公司的一套实时控制软件平台，主要负责设备的硬件管理、实时通信及工业控制功能。 KUNBUS piControl 2.6.2版本存在缓冲区错误漏洞，该漏洞源于进程图像管理功能存在越界写入问题，本地认证攻击者可利用设备配置访问权限，通过piControl字符设备提供特制的设备配置数据和输入，在进程图像缓冲区边界之外写入攻击者控制的数据并破坏相邻内核内存，导致内核内存损坏和拒绝服务。

CVSS 7.3 · High EPSS 0.14% · P3

Affected Version Matrix 1

VendorProduct Version RangeStatus
KUNBUS piControl ≤ 2.6.2 affected
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I. Basic Information for CVE-2026-13196

Vulnerability Information
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Vulnerability Title
Out-of-bounds Write in KUNBUS piControl
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
KUNBUS piControl 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
KUNBUS piControl是KUNBUS公司的一套实时控制软件平台，主要负责设备的硬件管理、实时通信及工业控制功能。 KUNBUS piControl 2.6.2版本存在缓冲区错误漏洞，该漏洞源于进程图像管理功能存在越界写入问题，本地认证攻击者可利用设备配置访问权限，通过piControl字符设备提供特制的设备配置数据和输入，在进程图像缓冲区边界之外写入攻击者控制的数据并破坏相邻内核内存，导致内核内存损坏和拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
KUNBUS piControl 0 ~ 2.6.2 -

II. Public POCs for CVE-2026-13196

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III. Intelligence Information for CVE-2026-13196

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Vendor Advisories for CVE-2026-13196 (1)

Same Patch Batch · KUNBUS · 2026-08-14 · 6 CVEs total

CVE-2026-13197 7.3 HIGH Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition'
CVE-2026-57472 6.9 MEDIUM Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in KUNBUS R
CVE-2026-57471 6.8 MEDIUM Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in KUNBUS R
CVE-2026-13198 5.9 MEDIUM Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition'
CVE-2026-57469 5.1 MEDIUM Cross-Site Request Forgery (CSRF) in KUNBUS PiCtory

IV. Related Vulnerabilities

Same product: piControl
Same vendor: KUNBUS
Same weakness: CWE-787

V. Comments for CVE-2026-13196

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