Synology Router Manager prior 1.2.5-8227-11/1.3.1-9346-8 Firewall default permission

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Synology Router Manager. Affected is an unknown function of the component Firewall. The manipulation results in default permission. This vulnerability was named CVE-2024-39347. The attack may be performed from remote. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Synology Router Manager. Affected is an unknown functionality of the component Firewall. The manipulation with an unknown input leads to a default permission vulnerability. CWE is classifying the issue as CWE-276. During installation, installed file permissions are set to allow anyone to modify those files. This is going to have an impact on confidentiality. CVE summarizes:

Incorrect default permissions vulnerability in firewall functionality in Synology Router Manager (SRM) before 1.2.5-8227-11 and 1.3.1-9346-8 allows man-in-the-middle attackers to access highly sensitive intranet resources via unspecified vectors.

The weakness was presented by Tri And Bien Pham as SA_23_16. The advisory is shared for download at synology.com. This vulnerability is traded as CVE-2024-39347 since 06/24/2024. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1222.

Upgrading to version 1.2.5-8227-11 or 1.3.1-9346-8 eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.9
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Default permission
CWE: CWE-276 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Router Manager 1.2.5-8227-11/1.3.1-9346-8

Timelineinfo

06/24/2024 🔍
06/28/2024 +4 days 🔍
06/28/2024 +0 days 🔍
08/08/2025 +405 days 🔍

Sourcesinfo

Vendor: synology.com

Advisory: SA_23_16
Researcher: Tri And Bien Pham
Status: Confirmed

CVE: CVE-2024-39347 (🔍)
GCVE (CVE): GCVE-0-2024-39347
GCVE (VulDB): GCVE-100-269928

Entryinfo

Created: 06/28/2024 09:22
Updated: 08/08/2025 01:27
Changes: 06/28/2024 09:22 (65), 08/08/2025 01:27 (2)
Complete: 🔍
Cache ID: 216::103

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