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TI-2026-29282 Aliases CVE-2026-40535GHSA-m49g-9jxp-9jqm

Path traversal in Synology DiskStation Manager

Priority LOW 35CWE-22Published · 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
Fixed

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

Summary

An improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Desktop API in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows remote attackers to write limited files and conduct limited denial-of-service attacks.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00503 43rd percentileScored 2026-11-07
Fix Fixed DiskStation Manager (DSM) (Synology): 7.3.2-86009-2, 7.2.2-72806-7, 7.2.1-69057-10

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
SynologyDiskStation Manager (DSM)7.3 to before 7.3.2-86009-2; 7.2.2 to before 7.2.2-72806-7; 7.2.1 to before 7.2.1-69057-107.3.2-86009-2, 7.2.2-72806-7, 7.2.1-69057-10Patch availableCNA
  • DiskStation Manager (DSM) VendorSynology Affected 7.3 to before 7.3.2-86009-2; 7.2.2 to before 7.2.2-72806-7; 7.2.1 to before 7.2.1-69057-10 Fixed in 7.3.2-86009-2, 7.2.2-72806-7, 7.2.1-69057-10 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:o:synology:diskstation_manager:*:*:*:*:*:*:*:*——Synology
  • cpe:2.3:o:synology:diskstation_manager:*:*:*:*:*:*:*:* Versions — — ·Synology

Remediation

  • Fix · CNA DiskStation Manager (DSM) (Synology) Fixed in 7.3.2-86009-2, 7.2.2-72806-7, 7.2.1-69057-10

Fixed in the same release

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

  • Advisory ·

    Synology DiskStation Manager (DSM) — Synology-SA-26:06 DSM

    10 records Highest priority Priority LOW 10 LOW

    Other records, highest priority first

    • TI-2026-29277 An improper neutralization of CRLF sequences ('CRLF injection') vulnerability in User API…Priority LOW 37
    • TI-2026-29286 Improper certificate validation in Synology DiskStation ManagerPriority LOW 32
    • TI-2026-29280 An exposure of sensitive information through data queries vulnerability in Desktop API in…Priority LOW 30
    Show all 10 records → Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-40535
  2. 2026-10-03 Alias added: GHSA-m49g-9jxp-9jqm

References

Advisory 1

  • TI-2020-01431 Netlogon Elevation of Privilege Vulnerability KEVCVSS 3.1CRITICAL 10.0
  • TI-2021-02242 Sudo before 1.9.5p2 contains an off-by-one error that can result in a heap-based buffer… KEVCVSS 3.1HIGH 7.8
  • TI-2018-01076 Out-of-bounds write in Netatalk CVSS 3.1CRITICAL 9.8
  • TI-2017-10594 Heap-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a… CVSS 3.1CRITICAL 9.8
  • TI-2013-05716 webman/imageSelector.cgi in Synology DiskStation Manager (DSM) 4.0 before 4.0-2259, 4.2… CVSS 2.0HIGH 10.0
  • TI-2021-19843 Out-of-bounds read in Samba CVSS 3.1HIGH 8.8
See all 374 →

Sources

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