CVE-2023-32956

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-05-16 · updated 2026-06-17

Description

Improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability in CGI component in Synology Router Manager (SRM) before 1.2.5-8227-6 and 1.3.1-9346-3 allows remote attackers to execute arbitrary code via unspecified vectors.

Affected products

Synology Router Manager (SRM): from 1.2 before 1.2.5-8227-6; from 1.3 before 1.3.1-9346-3 — fixed in 1.2.5-8227-6, 1.3.1-9346-3

How to fix

Upgrade to a fixed version: Synology Router Manager (SRM) 1.2.5-8227-6, 1.3.1-9346-3. Check the vendor advisory for mitigations.

References

https://www.synology.com/en-global/security/advisory/Synology_SA_22_25
https://www.synology.com/en-global/security/advisory/Synology_SA_22_25

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