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CVE-2026-62649

Quick assessment

Affected
Siemens Reyrolle 7SR5
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.

Siemens Reyrolle 7SR5是德国Siemens公司的一款工业控制领域的保护继电器。 Siemens Reyrolle 7SR5 V2.70之前版本存在资源管理错误漏洞，该漏洞源于Web服务器在处理大量并发HTTP请求时未正确限制或管理系统资源，可能导致未经身份验证的远程攻击者导致设备崩溃并重启，造成拒绝服务。

CVSS 7.5 · High EPSS 0.57% · P47

Possible ATT&CK Techniques 1 AI

T1528 · Steal Application Access Token

Affected Version Matrix 1

VendorProduct Version RangeStatus
Siemens Reyrolle 7SR5 < V2.70 affected
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I. Basic Information for CVE-2026-62649

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been identified in Reyrolle 7SR5 (All versions < V2.70). The web server does not properly limit or manage system resources when processing a high volume of concurrent HTTP requests. This could allow an unauthenticated remote attacker to cause the entire device to crash and reboot, resulting in a denial-of-service condition.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5
Vulnerability Title
Siemens Reyrolle 7SR5 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens Reyrolle 7SR5是德国Siemens公司的一款工业控制领域的保护继电器。 Siemens Reyrolle 7SR5 V2.70之前版本存在资源管理错误漏洞，该漏洞源于Web服务器在处理大量并发HTTP请求时未正确限制或管理系统资源，可能导致未经身份验证的远程攻击者导致设备崩溃并重启，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
Siemens Reyrolle 7SR5 0 ~ V2.70 -

II. Public POCs for CVE-2026-62649

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III. Intelligence Information for CVE-2026-62649

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Vendor Advisories for CVE-2026-62649 (1)

Same Patch Batch · Siemens · 2026-09-08 · 13 CVEs total

CVE-2026-62645 9.8 CRITICAL Siemens Reyrolle 7SR5 授权问题漏洞
CVE-2026-50093 9.0 CRITICAL Siemens Siveillance Control Pro 任意文件上传漏洞
CVE-2026-62650 8.8 HIGH Siemens Reyrolle 7SR5 授权问题漏洞
CVE-2026-67367 8.6 HIGH Siemens SIMOVE Fleetmanager 路径遍历漏洞
CVE-2026-34223 8.2 HIGH Siemens Desigo CC ClickOnce Client V6 代码注入漏洞
CVE-2026-62648 7.5 HIGH Siemens Reyrolle 7SR5 缓冲区错误漏洞
CVE-2026-62646 7.4 HIGH Siemens Reyrolle 7SR5 加密问题漏洞
CVE-2026-62647 7.4 HIGH Siemens Reyrolle 7SR5 输入验证错误漏洞
CVE-2026-62653 6.8 MEDIUM Siemens Reyrolle 7SR5 缓冲区错误漏洞
CVE-2026-62654 6.8 MEDIUM Siemens Reyrolle 7SR5 软件供应链问题漏洞
CVE-2026-58113 6.1 MEDIUM Siemens Teamcenter V2412 跨站脚本漏洞
CVE-2026-62652 5.3 MEDIUM Siemens Reyrolle 7SR5 调试信息泄露漏洞

IV. Related Vulnerabilities

Same product: Reyrolle 7SR5
Same vendor: Siemens
Same weakness: CWE-770