CVE-2025-15685 Open5GS CVE debrief

Who should care

Defenders responsible for Open5GS deployments should assess their exposure to this vulnerability, particularly those managing networks or systems utilizing Open5GS up to 2.7.1. Verification of the version in use and potential remediation efforts are crucial.

Why it matters

CVE-2025-15685 is a memory corruption vulnerability in Open5GS up to 2.7.1, allowing remote attackers to manipulate memory. Defenders should verify their exposure, assess potential impacts, and prioritize remediation efforts.

• Verification of Open5GS version and exposure to freeDiameter component is necessary
• Potential remote memory manipulation could lead to various impacts
• Remediation efforts should focus on updating to a fixed version if available
• Further verification of impacts and affected versions is required

Technical summary

The Open5GS up to 2.7.1 is vulnerable to a memory corruption issue in the freeDiameter component. This vulnerability can be exploited remotely, potentially leading to various impacts on system integrity and availability. The exact nature of these impacts requires further verification from official sources. Defenders should prioritize verifying the version of Open5GS in use and assessing exposure to the freeDiameter component. Remediation efforts should focus on updating to a fixed version if available, and further verification of impacts and affected versions is required.

Defensive priority

Defenders should prioritize verifying the version of Open5GS in use and assessing exposure to the freeDiameter component. Remediation efforts should focus on updating to a fixed version if available.

Recommended defensive actions

• Verify the version of Open5GS in use and assess exposure to the freeDiameter component.
• Monitor for potential remote manipulation of memory.
• Consider updating to a fixed version of Open5GS if available.
• Review compensating controls for exposed systems while remediation is scheduled and verified.
• Check relevant monitoring, detection, and logs for exposed assets that need extra review.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.

Evidence notes

The CVE Program and NVD have documented this vulnerability. Additional details are available from various source references, including Vuldb and GitHub issue reports. The vulnerability is confirmed to exist in Open5GS up to 2.7.1, specifically in the freeDiameter component. However, the exact nature and scope of the vulnerability's impact require further verification from official sources and potentially affected vendors. Defenders should verify their exposure and assess potential impacts based on available information.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.