What’s Vulnerable › Vulnerabilities

CVE-2020-27654

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-10-29 · updated 2026-06-17
• Weakness: CWE-269

Description

Improper access control vulnerability in lbd in Synology Router Manager (SRM) before 1.2.4-8081 allows remote attackers to execute arbitrary commands via port (1) 7786/tcp or (2) 7787/tcp.

Affected products

• Synology Router Manager (SRM): before 1.2.4-8081 — fixed in 1.2.4-8081

How to fix

Upgrade to a fixed version: Synology Router Manager (SRM) 1.2.4-8081. Check the vendor advisory for mitigations.

References

• https://www.synology.com/security/advisory/Synology_SA_20_14
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1064
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1065
• https://www.synology.com/security/advisory/Synology_SA_20_14
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1064
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1065

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