CRITICAL

CVE-2020-27654

CVSS v3

9.8

CRITICAL

EPSS Score

4.7 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2020-27654 yet.

Full record on NVD

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.

Technical details

Published: 2020-10-29

Frequently asked questions

What is CVE-2020-27654?

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.

Is CVE-2020-27654 actively exploited?

Active exploitation of CVE-2020-27654 has not been confirmed. Its EPSS score was 4.7% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-27654?

CVE-2020-27654 has a CVSS v3 base score of 9.8 (CRITICAL severity).

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