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TI-2026-44766 Aliases CVE-2026-62653GHSA-wp7r-98f8-j5f3

Out-of-bounds write in Siemens Reyrolle 7SR5

Priority LOW 33CWE-787Published · Updated

Key facts

Attack vector
Physical
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

A vulnerability has been identified in Reyrolle 7SR5 (All versions < V2.70). The input received over a proprietary communication protocol that is exposed when the device is placed into a special firmware-update mode is not properly validated, resulting in a memory corruption condition. This could allow an unauthenticated attacker with physical access to the device to cause a crash and potentially execute arbitrary code on the device.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00278 20th percentileScored 2026-11-07
Fix Fixed Reyrolle 7SR5 (Siemens): V2.70

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SiemensReyrolle 7SR5before V2.70V2.70Patch availableCNA
  • Reyrolle 7SR5 VendorSiemens Affected before V2.70 Fixed in V2.70 Patch available CNA

Remediation

  • Fix · CNA Reyrolle 7SR5 (Siemens) Fixed in V2.70

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Siemens Reyrolle 7SR5 V2.70

    9 records Highest priority Priority MEDIUM 6 MEDIUM, 3 LOW

    Other records, highest priority first

    • TI-2026-44759 Missing authentication in Siemens Reyrolle 7SR5Priority MEDIUM 49
    • TI-2026-44763 Resource allocation without limits in Siemens Reyrolle 7SR5Priority MEDIUM 44
    • TI-2026-44762 Out-of-bounds write in Siemens Reyrolle 7SR5Priority MEDIUM 44
    Show all 9 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-62653
  2. 2026-10-03 Alias added: GHSA-wp7r-98f8-j5f3

References

Other 1

  • TI-2026-20057 Authentication bypass in Fortinet FortiWeb KEVCVSS 3.1CRITICAL 9.4
  • TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-18911 Heap-based buffer overflow in Fortinet FortiSwitchManager KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-09686 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-07142 Code injection in Spring Framework KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-19919 Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints KEVCVSS 3.1CRITICAL 10.0
See all 2487 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences