How severe is CVE-2025-29846?

CVE-2025-29846 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-29846 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-29846?

CVE-2025-29846 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-2025-29846?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-29846 have an EU (EUVD) identifier?

Yes. CVE-2025-29846 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-201172.

When was CVE-2025-29846 published?

CVE-2025-29846 was published on 2025-12-04 and last updated on 2026-06-17.

CVE-2025-29846

CVE-2025-29846 is a high-severity vulnerability in Synology Router Manager with a CVSS 3.x base score of 7.2. 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: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-201172
Weakness: CWE-22
Affected product: Synology Router Manager
Published: 2025-12-04
Last modified: 2026-06-17

Description

A vulnerability in portenable cgi allows remote authenticated users to get the status of installed packages.

Frequently asked questions

What is CVE-2025-29846?: A vulnerability in portenable cgi allows remote authenticated users to get the status of installed packages.
How severe is CVE-2025-29846?: CVE-2025-29846 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-29846 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-29846?: CVE-2025-29846 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-2025-29846?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-29846 have an EU (EUVD) identifier?: Yes. CVE-2025-29846 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-201172.
When was CVE-2025-29846 published?: CVE-2025-29846 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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