7.3

CVE-2026-4793: synology assistant Incorrect Default Permissions

CVSS: 7.3v3.1HighAnalyzed
Published 03-08-2026Last modified 03-08-2026
Open JSON

Vulnerability summary

CVE-2026-4793 is a high (CVSS 7.3) Incorrect Default Permissions vulnerability in synology assistant. EPSS estimates a 0.15% chance of exploitation in the next 30 days, higher than 3.6% of scored vulnerabilities.

Overall risk
29/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.3/10
010
High · v3.1 (CVE.org)
EPSS score
0.15%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 03-08-2026
    PublishedVulnerability first disclosed.
  2. 03-08-2026
    Last modifiedVulnerability information updated.

Description

An incorrect default permissions vulnerability in Synology Assistant before 7.0.7-50095 allows local users to read or write arbitrary files and conduct denial-of-service during installation.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.15%

Chance of exploitation in the next 30 days

Percentile

4%

Versus all other CVEs

30-day change

0.00 pp

From 0.15% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.15%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Synology2 products

1 vendor · 2 products

References

1 links