CVE-2026-62649: CWE-770: Allocation of Resources Without Limits or Throttling in Siemens Reyrolle 7SR5
Description
CVE-2026-62649 is a high-severity vulnerability in Siemens Reyrolle 7SR5 affecting all versions prior to 2.70. The device's web server does not properly limit system resource usage when handling many concurrent HTTP requests, allowing an unauthenticated remote attacker to cause a denial-of-service by crashing and rebooting the device.
CVSS v3.1
Score 7.5high
Affected software
Siemens
Reyrolle 7SR5
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-770) in Siemens Reyrolle 7SR5 versions before 2.70 involves improper allocation of resources without limits or throttling in the web server component. An attacker can send a high volume of concurrent HTTP requests to exhaust system resources, causing the device to crash and reboot, resulting in denial of service. The CVSS 3.1 score is 7.5 (high), reflecting network attack vector, no privileges or user interaction required, and impact limited to availability.
Potential Impact
An unauthenticated remote attacker can cause a denial-of-service condition by crashing and rebooting the affected device through resource exhaustion. There is no impact on confidentiality or integrity reported.
Mitigation Recommendations
No official patch or fix information is provided. Patch status is not yet confirmed — check Siemens vendor advisories for current remediation guidance. Until a fix is available, consider limiting exposure of the device's web server to untrusted networks to reduce risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- siemens
- Date Reserved
- 2026-07-14T16:24:23.430Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a9fc954acd9273b49571d92
Added to database: 09/08/2026, 08:37:40 UTC
Last enriched: 09/16/2026, 02:31:28 UTC
Last updated: 10/23/2026, 15:12:04 UTC
Views: 85
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