CVE-2025-41068

Reachable Assertion vulnerability in Open5GS

Published Oct 27, 2025 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Description
Reachable Assertion vulnerability in Open5GS up to version 2.7.6 allows attackers with connectivity to the NRF to cause a denial of service. This is achieved by sending the creation of an NF with an invalid type via SBI and then requesting its data. The NRF executes a check that crashes the process, leaving the discovery service unresponsive.

Remediation

Vendor Solution

The vulnerabilitiy has been fixed by the Open5GS team in version v2.7.6.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Description Reachable Assertion vulnerability in Open5GS up to version 2.7.5 allows attackers with connectivity to the NRF to cause a denial of service. This is achieved by sending the creation of an NF with an invalid type via SBI and then requesting its data. The NRF executes a check that crashes the process, leaving the discovery service unresponsive. Reachable Assertion vulnerability in Open5GS up to version 2.7.6 allows attackers with connectivity to the NRF to cause a denial of service. This is achieved by sending the creation of an NF with an invalid type via SBI and then requesting its data. The NRF executes a check that crashes the process, leaving the discovery service unresponsive.
References
Type Values Removed Values Added
CPEs cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

Type Values Removed Values Added
First Time appeared Open5gs
Open5gs open5gs
Vendors & Products Open5gs
Open5gs open5gs
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Reachable Assertion vulnerability in Open5GS up to version 2.7.5 allows attackers with connectivity to the NRF to cause a denial of service. This is achieved by sending the creation of an NF with an invalid type via SBI and then requesting its data. The NRF executes a check that crashes the process, leaving the discovery service unresponsive.
Title Reachable Assertion vulnerability in Open5GS
Weaknesses CWE-617
References
Metrics cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
INCIBE
Published
Updated
Oct 29, 2025, 10:28 AM
Reserved
Apr 16, 2025, 9:09 AM
Status
Modified
Published
Oct 27, 2025, 1:15 PM
Modified
Oct 8, 2026, 11:10 AM