CVE-2026-33282— Ella Core panics on malformed NGAP Location Report
Quick assessment
Affected
ellanetworks core
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.
Ella Core是Ella Networks开源的一个用于私有网络的5G核心网解决方案。 Ella Core 1.6.0之前版本存在代码问题漏洞，该漏洞源于处理格式错误的NGAP LocationReport消息时发生内核崩溃，可能导致服务中断。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2026-33282
Vulnerability Information
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Vulnerability Title
Ella Core panics on malformed NGAP Location Report
Source: CVE Program / CVE List V5
Vulnerability Description
Ella Core is a 5G core designed for private networks. Versions prior to 1.6.0 panic when processing a malformed NGAP LocationReport message with `ue-presence-in-area-of-interest` event type and omitting the optional `UEPresenceInAreaOfInterestList` IE. An attacker able to send crafted NGAP messages to Ella Core can crash the process, causing service disruption for all connected subscribers. No authentication is required. Version 1.6.0 added IE presence verification to NGAP message handling.
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:H
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
Ella Core 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Ella Core是Ella Networks开源的一个用于私有网络的5G核心网解决方案。 Ella Core 1.6.0之前版本存在代码问题漏洞，该漏洞源于处理格式错误的NGAP LocationReport消息时发生内核崩溃，可能导致服务中断。
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 |
|---|---|---|---|---|
| ellanetworks | core | < 1.6.0 | - |
|
II. Public POCs for CVE-2026-33282
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-33282 (1)
-
Panic on malformed NGAP Location Report · Advisory · ellanetworks/core · GitHub x_refsource_CONFIRM
Same Patch Batch · ellanetworks · 2026-03-23 · 3 CVEs total
| CVE-2026-33281 | 6.5 MEDIUM | Ella Core panics on invalid PDU Session IDs in NGAP messages |
| CVE-2026-33283 | 6.5 MEDIUM | Ella Core panics on malformed ULNASTransport Message without a Request Type |
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