5.4

CVE-2025-29843: synology router_manager Path Traversal

CVSS: 5.4v3.1MediumAnalyzed
Published 04-12-2025Last modified 04-12-2025
Open JSON

Vulnerability summary

CVE-2025-29843 is a medium (CVSS 5.4) Path Traversal vulnerability in synology router_manager. EPSS estimates a 0.37% chance of exploitation in the next 30 days, higher than 29% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.4/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.37%
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. 04-12-2025
    PublishedVulnerability first disclosed.
  2. 04-12-2025
    Last modifiedVulnerability information updated.

Description

A vulnerability in FileStation thumb cgi allows remote authenticated users to read/write image files.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.37%

Chance of exploitation in the next 30 days

Percentile

29%

Versus all other CVEs

30-day change

0.00 pp

From 0.37% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.37%

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
  • router_manager≥ 1.3, < 1.3.1-9346 | 1.3.1-9346 | 1.3.1-9346:update1 | 1.3.1-9346:update10 | 1.3.1-9346:update11 | 1.3.1-9346:update12 | 1.3.1-9346:update2 | 1.3.1-9346:update3 | 1.3.1-9346:update4 | 1.3.1-9346:update5 | 1.3.1-9346:update6 | 1.3.1-9346:update7 | 1.3.1-9346:update8 | 1.3.1-9346:update9
  • synology router manager (srm)≥ 1.3, < 1.3.1-9346-13

1 vendor · 2 products

References

1 links