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CVE-2025-15531— Open5GS context.c sgwc_bearer_add assertion

Quick assessment

Affected
n/a Open5GS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Open5GS是Open5GS开源的一个 5G Core 和 Epc 的 C 语言开源实现，即 Lte/Nr 网络的核心网络。 Open5GS 2.7.5及之前版本存在安全漏洞，该漏洞源于文件src/sgwc/context.c中的sgwc_bearer_add函数存在操作，可能导致可达断言。

CVSS 5.3 · Medium EPSS 0.80% · P55

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-15531

Vulnerability Information
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Vulnerability Title
Open5GS context.c sgwc_bearer_add assertion
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
可达断言
Source: CVE Program / CVE List V5
Vulnerability Title
Open5GS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Open5GS是Open5GS开源的一个 5G Core 和 Epc 的 C 语言开源实现，即 Lte/Nr 网络的核心网络。 Open5GS 2.7.5及之前版本存在安全漏洞，该漏洞源于文件src/sgwc/context.c中的sgwc_bearer_add函数存在操作，可能导致可达断言。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- Open5GS 2.7.0 cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2025-15531

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III. Intelligence Information for CVE-2025-15531

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Patches & Fixes for CVE-2025-15531 (1)

Vendor Advisories for CVE-2025-15531 (2)

Same Patch Batch · n/a · 2026-01-17 · 6 CVEs total

CVE-2026-1105 7.3 HIGH EasyCMS UserAction.class.php sql injection
CVE-2025-15532 5.3 MEDIUM Open5GS Timer resource consumption
CVE-2025-15530 5.3 MEDIUM Open5GS s11-handler.c assertion
CVE-2026-1049 3.5 LOW LigeroSmart index.pl cross site scripting
CVE-2026-1048 3.5 LOW LigeroSmart index.pl cross site scripting

IV. Related Vulnerabilities

Same product: Open5GS
Same vendor: n/a
Same weakness: CWE-617

V. Comments for CVE-2025-15531

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