CVE-2025-41739— CODESYS Control - Linux/QNX SysSocket flaw
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I. Basic Information for CVE-2025-41739
Vulnerability Information
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Vulnerability Title
CODESYS Control - Linux/QNX SysSocket flaw
Source: NVD (National Vulnerability Database)
Vulnerability Description
An unauthenticated remote attacker, who beats a race condition, can exploit a flaw in the communication servers of the CODESYS Control runtime system on Linux and QNX to trigger an out-of-bounds read via crafted socket communication, potentially causing a denial of service.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存读
Source: NVD (National Vulnerability Database)
Vulnerability Title
CODESYS Control 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CODESYS Control是德国CODESYS公司的一套工业控制程序编程软件。 CODESYS Control存在缓冲区错误漏洞，该漏洞源于未经身份验证的远程攻击者可利用竞争条件触发Linux和QNX上CODESYS Control运行时系统的通信服务器中的越界读取，可能导致拒绝服务。
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 |
|---|---|---|---|---|
| CODESYS | CODESYS PLCHandler | 3.5.21.0 ~ 3.5.21.40 | - | |
| CODESYS | CODESYS Remote Target Visu | 3.5.21.0 ~ 3.5.21.40 | - | |
| CODESYS | CODESYS Runtime Toolkit | 3.5.21.0 ~ 3.5.21.40 | - | |
| CODESYS | CODESYS Control for BeagleBone SL | 4.15.0.0 ~ 4.19.0.0 | - | |
| CODESYS | CODESYS Control for emPC-A/iMX6 SL | 4.15.0.0 ~ 4.19.0.0 | - | |
| CODESYS | CODESYS Control for IOT2000 SL | 4.15.0.0 ~ 4.19.0.0 | - | |
| CODESYS | CODESYS Control for Linux ARM SL | 4.15.0.0 ~ 4.19.0.0 | - | |
| CODESYS | CODESYS Control for Linux SL | 4.15.0.0 ~ 4.19.0.0 | - | |
| CODESYS | CODESYS Control for PFC100 SL | 4.15.0.0 ~ 4.19.0.0 | - | |
| CODESYS | CODESYS Control for PFC200 SL | 4.15.0.0 ~ 4.19.0.0 | - | |
| CODESYS | CODESYS Control for PLCnext SL | 4.15.0.0 ~ 4.19.0.0 | - | |
| CODESYS | CODESYS Control for Raspberry Pi SL | 4.15.0.0 ~ 4.19.0.0 | - | |
| CODESYS | CODESYS Control for WAGO Touch Panels 600 SL | 4.15.0.0 ~ 4.19.0.0 | - | |
| CODESYS | CODESYS Edge Gateway for Linux | 4.15.0.0 ~ 4.19.0.0 | - | |
| CODESYS | CODESYS TargetVisu for Linux SL | 4.15.0.0 ~ 4.19.0.0 | - | |
| CODESYS | CODESYS Virtual Control SL | 4.15.0.0 ~ 4.19.0.0 | - |
II. Public POCs for CVE-2025-41739
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Same Patch Batch · CODESYS · 2025-12-01 · 3 CVEs total
| CVE-2025-41700 | 7.8 HIGH | CODESYS Development System - Deserialization of Untrusted Data |
| CVE-2025-41738 | 7.5 HIGH | CODESYS Control - Invalid type usage in visualization |
IV. Related Vulnerabilities
Same vendor: CODESYS
- CVE-2026-35225
Improper timeout handling in CODESYS EtherNetIP - CVE-2026-3509
CODESYS Control Audit Log Format String DoS - CVE-2025-41660
CODESYS Control Boot Application Replacement Enables Code Ex - CVE-2026-2364
CODESYS Installer TOCTOU Privilege Escalation - CVE-2025-41700
CODESYS Development System - Deserialization of Untrusted Da
Same weakness: CWE-125
- CVE-2026-8177
XML::LibXML versions through 2.0210 for Perl read out-of-bou - CVE-2026-6104
Global buffer over-read in mb_convert_encoding() with attack - CVE-2026-7258
Out-of-bounds read in urldecode() on NetBSD - CVE-2026-8186
Open5GS NF client.c ogs_sbi_client_send_via_scp_or_sepp out- - CVE-2026-3508
ASUS System Control Interface 缓冲区错误漏洞
V. Comments for CVE-2025-41739
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