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CVE-2026-16002— Out-of-bounds Read in MZ Automation lib60870

Quick assessment

Affected
MZ Automation lib60870
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.

Mz Automation lib60870是德国Mz Automation公司的一款实现IEC 60870协议的通信库。 Mz Automation lib60870 2.4.0及之前版本存在缓冲区错误漏洞，该漏洞源于存在越界读取，可能导致攻击者崩溃解析进程并造成拒绝服务。

CVSS 8.2 · High EPSS 0.43% · P35

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
MZ Automation lib60870 ≤ 2.4.0 affected
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I. Basic Information for CVE-2026-16002

Vulnerability Information
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Vulnerability Title
Out-of-bounds Read in MZ Automation lib60870
Source: CVE Program / CVE List V5
Vulnerability Description
The affected product is vulnerable to an Out-of-bounds read, which may allow an attacker to crash the parsing process and cause a denial of service.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
Mz Automation lib60870 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mz Automation lib60870是德国Mz Automation公司的一款实现IEC 60870协议的通信库。 Mz Automation lib60870 2.4.0及之前版本存在缓冲区错误漏洞，该漏洞源于存在越界读取，可能导致攻击者崩溃解析进程并造成拒绝服务。
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
MZ Automation lib60870 0 ~ 2.4.0 -

II. Public POCs for CVE-2026-16002

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III. Intelligence Information for CVE-2026-16002

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Vendor Advisories for CVE-2026-16002 (1)

Same Patch Batch · MZ Automation · 2026-07-23 · 5 CVEs total

CVE-2026-49035 8.1 HIGH Stack-based Buffer Overflow in MZ Automation libIEC61850
CVE-2026-50039 7.5 HIGH Stack-based Buffer Overflow in MZ Automation libIEC61850
CVE-2026-50032 7.5 HIGH NULL Pointer Dereference in MZ Automation libIEC61850
CVE-2026-50103 6.5 MEDIUM Improper Handling of Syntactically Invalid Structure in MZ Automation libIEC61850

IV. Related Vulnerabilities

Same product: lib60870
Same vendor: MZ Automation
Same weakness: CWE-125

V. Comments for CVE-2026-16002

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