How severe is CVE-2023-41739?

CVE-2023-41739 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-41739 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-41739?

CVE-2023-41739 affects Synology Router Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-41739?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-41739 published?

CVE-2023-41739 was published on 2023-08-31 and last updated on 2026-06-17.

CVE-2023-41739

CVE-2023-41739 is a medium-severity vulnerability in Synology Router Manager with a CVSS 3.x base score of 4.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 4.9)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Synology Router Manager
Published: 2023-08-31
Last modified: 2026-06-17

Description

Uncontrolled resource consumption vulnerability in File Functionality in Synology Router Manager (SRM) before 1.3.1-9346-6 allows remote authenticated users to conduct denial-of-service attacks via unspecified vectors.

Frequently asked questions

What is CVE-2023-41739?: Uncontrolled resource consumption vulnerability in File Functionality in Synology Router Manager (SRM) before 1.3.1-9346-6 allows remote authenticated users to conduct denial-of-service attacks via unspecified vectors.
How severe is CVE-2023-41739?: CVE-2023-41739 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-41739 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-41739?: CVE-2023-41739 affects Synology Router Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-41739?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-41739 published?: CVE-2023-41739 was published on 2023-08-31 and last updated on 2026-06-17.

References

https://www.synology.com/en-global/security/advisory/Synology_SA_23_10

Affected products (1)

cpe:2.3:a:synology:router_manager:*:*:*:*:*:*:*:*

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