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CVE-2026-54413— iso14229 Integer Underflow and Out-of-Bounds Read in Handle_0x27_SecurityAccess()

Quick assessment

Affected
driftregion iso14229
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.

driftregion iso14229是driftregion个人开发者的一个工业控制协议定义软件。 driftregion iso14229 0.9.0及之前版本存在缓冲区错误漏洞，该漏洞源于Handle_0x27_SecurityAccess()函数中存在整数下溢和越界读取，可能导致远程未经身份验证的攻击者通过发送单字节0x27 SecurityAccess请求，使UDS服务器崩溃并可能读取接收缓冲区之外的内存。

CVSS 8.2 · High EPSS 0.72% · P53

Affected Version Matrix 1

VendorProduct Version RangeStatus
driftregion iso14229 ≤ 0.9.0 affected
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I. Basic Information for CVE-2026-54413

Vulnerability Information
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Vulnerability Title
iso14229 Integer Underflow and Out-of-Bounds Read in Handle_0x27_SecurityAccess()
Source: CVE Program / CVE List V5
Vulnerability Description
driftregion iso14229 through 0.9.0 contains an integer underflow and downstream out-of-bounds read in the Handle_0x27_SecurityAccess function in iso14229.c that allows a remote unauthenticated attacker to crash a UDS server and potentially read memory past the receive buffer by sending a single-byte 0x27 SecurityAccess request that follows any earlier well-formed 0x27 message.
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
整数下溢(超界折返)
Source: CVE Program / CVE List V5
Vulnerability Title
driftregion iso14229 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
driftregion iso14229是driftregion个人开发者的一个工业控制协议定义软件。 driftregion iso14229 0.9.0及之前版本存在缓冲区错误漏洞，该漏洞源于Handle_0x27_SecurityAccess()函数中存在整数下溢和越界读取，可能导致远程未经身份验证的攻击者通过发送单字节0x27 SecurityAccess请求，使UDS服务器崩溃并可能读取接收缓冲区之外的内存。
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
driftregion iso14229 0 ~ 0.9.0 -

II. Public POCs for CVE-2026-54413

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III. Intelligence Information for CVE-2026-54413

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News Coverage for CVE-2026-54413 (1)

Other References for CVE-2026-54413 (1)

IV. Related Vulnerabilities

Same weakness: CWE-191

V. Comments for CVE-2026-54413

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