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TI-2026-80465 Aliases CVE-2026-115679GHSA-q5r2-prpg-56h3

Out-of-bounds reads and writes in Arm Keil MDK-Middleware FTP Server

Priority LOW 35CWE-195Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · Low · Low
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

Arm Keil MDK-Middleware 8.3.0 may allow out-of-bounds reads and writes to the FTP Server RX Buffer. A signed to unsigned conversion error (CWE-195) lets an unauthenticated remote attacker access memory outside the FTP Server RX buffer. The attack can partly affect integrity and availability.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

Arm Keil MDK-Middleware 8.3.0 may allow out-of-bounds reads and writes to the FTP Server RX Buffer

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00324 25th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
KeilMDK-Middleware8.3.0—No fix listedCNA
  • MDK-Middleware VendorKeil Affected 8.3.0 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for MDK-Middleware.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Timeline

  1. 2026-10-26 Threatist record created from CVE-2026-115679
  2. 2026-10-26 CVSS score added · CISA ADP
  3. 2026-10-26 CISA SSVC decision points changed
  4. 2026-10-27 Alias added: GHSA-q5r2-prpg-56h3

References

Other 1

  • TI-2026-80464 Out-of-bounds read in Arm Keil MDK-Middleware SNMP processing CVSS 3.1MEDIUM 5.3
  • TI-2026-80471 Out-of-bounds reads in Arm Keil MDK-Middleware DHCPv6 handling CVSS 3.1MEDIUM 6.5

Sources

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