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TI-2022-24558 Aliases CVE-2022-49040GHSA-8w37-7r3v-2w47

Buffer overflow in Synology Drive Client

Priority LOW 20CWE-120Published · Updated

Key facts

Attack vector
Local
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

Buffer copy without checking size of input ('Classic Buffer Overflow') vulnerability in connection management functionality in Synology Drive Client before 3.4.0-15721 allows local users with administrator privileges to crash the client via unspecified vectors.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00173 6th percentileScored 2026-11-07
Fix Fixed Synology Drive Client (Synology): 3.5.0-16084

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
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
SynologySynology Drive Clientbefore 3.5.0-160843.5.0-16084Patch availableCNA
  • Synology Drive Client VendorSynology Affected before 3.5.0-16084 Fixed in 3.5.0-16084 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:synology:drive_client:*:*:*:*:*:desktop:*:*before 3.4.0-15721VulnerableSynology
  • cpe:2.3:a:synology:drive_client:*:*:*:*:*:desktop:*:* Versions before 3.4.0-15721 Vulnerable ·Synology

Remediation

  • Fix · CNA Synology Drive Client (Synology) Fixed in 3.5.0-16084

Fixed in the same release

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

  • Advisory ·

    Synology Drive Client — Synology-SA-24:10 Synology Drive Client

    6 records Highest priority Priority MEDIUM 1 MEDIUM, 5 LOW

    Other records, highest priority first

    • TI-2023-29266 Buffer overflow in Synology Drive ClientPriority MEDIUM 42
    • TI-2022-24556 Inclusion of functionality from untrusted control sphere vulnerability in OpenSSL DLL…Priority LOW 35
    • TI-2022-24557 Out-of-bounds write in Synology Drive ClientPriority LOW 31
    Show all 6 records → Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-49040
  2. 2026-10-03 Alias added: GHSA-8w37-7r3v-2w47

References

Advisory 1

  • TI-2023-29266 Buffer overflow in Synology Drive Client CVSS 3.1HIGH 8.2
  • TI-2022-24556 Inclusion of functionality from untrusted control sphere vulnerability in OpenSSL DLL… CVSS 3.1HIGH 7.8
  • TI-2022-24557 Out-of-bounds write in Synology Drive Client CVSS 3.1MEDIUM 6.7
  • TI-2022-24555 Sensitive information in log files in Synology Drive Client CVSS 3.1MEDIUM 6.5
  • TI-2022-24559 Buffer overflow in Synology Drive Client CVSS 3.1MEDIUM 4.4

Sources

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