CVE-2020-27655

CRITICAL 10.0CVE-2020-27655 · Published 29/10/2020 · updated 17/06/2026

In short

CVE-2020-27655 is a CRITICAL (CVSS 10.0) vulnerability affecting router manager (synology).
Chance of exploitation in the next 30 days (EPSS): 1.8%, higher than 78.1% of all vulnerabilities.
Fix: update to 1.2.4-8081 or later.

Package	Affected versions	Patched versions
router manager synology	`≥ 1.2, < 1.2.4-8081`	`1.2.4-8081`

Description

Improper access control vulnerability in Synology Router Manager (SRM) before 1.2.4-8081 allows remote attackers to access restricted resources via inbound QuickConnect traffic.

References

synology.com/security/advisory/Synology_SA_20_14 · Vendor Advisory
talosintelligence.com/vulnerability_reports/TALOS-2020-1066 · Exploit

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Package

Affected versions

Patched versions

router manager

synology

≥ 1.2, < 1.2.4-8081

1.2.4-8081

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