CVE-2026-54413— iso14229 Integer Underflow and Out-of-Bounds Read in Handle_0x27_SecurityAccess()
Possible ATT&CK Techniques 2AI
T1203 · Exploitation for Client Execution T1068 · Exploitation for Privilege EscalationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| 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
| # | POC Description | Source Link | Shenlong Link |
|---|
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News Coverage for CVE-2026-54413 (1)
- 🔗 CWE - CWE-191: Integer Underflow (Wrap or Wraparound) (4.20) Read full article technical-description
Other References for CVE-2026-54413 (1)
IV. Related Vulnerabilities
Same weakness: CWE-191
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Open-iscsi: open-iscsi: integer underflow in iscsiuio dhcpv6 - CVE-2026-73433
Gstreamer1-plugins-good: gstreamer: unsigned integer underfl
V. Comments for CVE-2026-54413
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