How severe is CVE-2025-29845?

CVE-2025-29845 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2025-29845 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-29845?

CVE-2025-29845 primarily affects Synology Router Manager. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-29845?

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

Does CVE-2025-29845 have an EU (EUVD) identifier?

Yes. CVE-2025-29845 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-201173.

When was CVE-2025-29845 published?

CVE-2025-29845 was published on 2025-12-04 and last updated on 2026-06-17.

CVE-2025-29845

CVE-2025-29845 is a medium-severity vulnerability in Synology Router Manager with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-201173
Weakness: CWE-22
Affected product: Synology Router Manager
Published: 2025-12-04
Last modified: 2026-06-17

Description

A vulnerability in VideoPlayer2 subtitle cgi allows remote authenticated users to read .srt files.

Frequently asked questions

What is CVE-2025-29845?: A vulnerability in VideoPlayer2 subtitle cgi allows remote authenticated users to read .srt files.
How severe is CVE-2025-29845?: CVE-2025-29845 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2025-29845 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-29845?: CVE-2025-29845 primarily affects Synology Router Manager. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-29845?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-29845 have an EU (EUVD) identifier?: Yes. CVE-2025-29845 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-201173.
When was CVE-2025-29845 published?: CVE-2025-29845 was published on 2025-12-04 and last updated on 2026-06-17.

References

https://www.synology.com/en-global/security/advisory/Synology_SA_25_04

Affected products (14)

cpe:2.3:o:synology:router_manager:*:*:*:*:*:*:*:*
cpe:2.3:o:synology:router_manager:1.3.1-9346:-:*:*:*:*:*:*
cpe:2.3:o:synology:router_manager:1.3.1-9346:update1:*:*:*:*:*:*
cpe:2.3:o:synology:router_manager:1.3.1-9346:update10:*:*:*:*:*:*
cpe:2.3:o:synology:router_manager:1.3.1-9346:update11:*:*:*:*:*:*
cpe:2.3:o:synology:router_manager:1.3.1-9346:update12:*:*:*:*:*:*
cpe:2.3:o:synology:router_manager:1.3.1-9346:update2:*:*:*:*:*:*
cpe:2.3:o:synology:router_manager:1.3.1-9346:update3:*:*:*:*:*:*
cpe:2.3:o:synology:router_manager:1.3.1-9346:update4:*:*:*:*:*:*
cpe:2.3:o:synology:router_manager:1.3.1-9346:update5:*:*:*:*:*:*
cpe:2.3:o:synology:router_manager:1.3.1-9346:update6:*:*:*:*:*:*
cpe:2.3:o:synology:router_manager:1.3.1-9346:update7:*:*:*:*:*:*
cpe:2.3:o:synology:router_manager:1.3.1-9346:update8:*:*:*:*:*:*
cpe:2.3:o:synology:router_manager:1.3.1-9346:update9:*:*:*:*:*:*

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