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open5gs

A vulnerability was identified in Open5GS up to 2.7.5. This vulnerability affects the function sgwc_bearer_add of the file src/sgwc/context.c. The manipulation leads to reachable assertion. The attack is possible to be carried out remotely. The exploit is publicly available and might be used. The issue report is flagged as already-fixed.

CVE-2025-15531 is a vulnerability identified in Open5GS, an open-source 5G core network implementation widely used by telecom operators and network infrastructure providers. The flaw exists in the sgwc_bearer_add function within the src/sgwc/context.c source file. Specifically, the vulnerability manifests as a reachable assertion triggered by crafted input that manipulates bearer context addition logic. When exploited, this assertion failure can cause the affected process to terminate unexpectedly, resulting in a denial of service (DoS) condition. The vulnerability is remotely exploitable without requiring any authentication or user interaction, making it accessible to unauthenticated attackers over the network. The vulnerability affects Open5GS versions 2.7.0 through 2.7.5 inclusively. Although an exploit is publicly available, there have been no confirmed reports of exploitation in the wild. The issue has been addressed and fixed in subsequent releases beyond version 2.7.5. The CVSS 4.0 base score of 6.9 reflects the medium severity, primarily due to the impact on availability and the ease of remote exploitation. The vulnerability does not affect confidentiality or integrity, nor does it require privileges or user interaction. This vulnerability highlights the importance of securing 5G core network components, which are critical for modern telecommunications infrastructure.

Detailed information about CVE-2025-15531: Reachable Assertion in Open5GS affecting null Open5GS. Get real-time updates, technical details, and mitigation strat

CVE-2025-15531: Reachable Assertion in Open5GS - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2025-15531: Reachable Assertion in Open5GS

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