CVE-2026-86343

MEDIUM CVSS 3.1: 6.8 EPSS 0.53%
Updated Nov 12, 2026
Synology
Parameter Value
CVSS 6.8 (MEDIUM)
Affected Versions before 7.3.2
Type CWE-93
Vendor Synology
Public PoC No

An improper neutralization of CRLF sequences vulnerability in the SNMP API in Synology DiskStation Manager (DSM) before 7.3.2-86009-5 and 7.4.1-90080-1 allows remote authenticated users with administrator privileges to read or write arbitrary files and conduct denial-of-service attacks.

Attack Parameters

Attack Vector
Adjacent
Requires local network access
Attack Complexity
Low
Easy to exploit
Privileges Required
High
Admin privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Weakness Type (CWE)