CVE-2025-56568

Assertion failure vulnerability in the PCO Protocol Configuration Options parser in the SMF Session Management Function component of Open5GS before v2.7.5 allows remote attackers to cause denial of service via specially crafted NGAP messages containing malformed length fields in protocol...

CTEM for Telecom Companies

Protect Network Infrastructure. Prevent Service Disruption. Secure 5G, IoT, and Subscriber Data. Telecommunications companies operate the most interconnected infrastructure on the planet. Your networks carry voice, data, and critical services for millions of subscribers, enterprises, and governme...

UERANSIM 安全漏洞

UERANSIM is an open-source advanced 5G UE and RAN gNodeB simulator developed by Ali Güngör of Turkey. Versions of UERANSIM 3.2.7 and earlier contained security vulnerabilities. These vulnerabilities stemmed from improper handling of the parameter pdulength in the Radio Link Simulation Layer...

EUVD-2026-24575

free5GC PCF: Memory Leak via CORS Middleware Registration in HTTP Handler Leads to Denial of Service...

CVE-2026-40343 free5GC UDR: Fail-open handling in PolicyDataSubsToNotifyPost allows unintended subscription creation

free5GC UDR is the user data repository UDR for free5GC, an an open-source project for 5th generation 5G mobile core networks. In versions up to and including 1.4.2, a fail-open request handling flaw in the UDR service causes the /nudr-dr/v2/policy-data/subs-to-notify POST handler to continue...

ExAI5G: A Logic-Based Explainable AI Framework for Intrusion Detection in 5G Networks

Intrusion detection systems IDSs for 5G networks must handle complex, high-volume traffic. Although opaque "black-box" models can achieve high accuracy, their lack of transparency hinders trust and effective operational response. We propose ExAI5G, a framework that prioritizes interpretability by...

CVE-2026-40247 free5gc UDR improper path validation allows unauthenticated access to Traffic Influence Subscriptions

free5GC is an open-source implementation of the 5G core network. In versions 4.2.1 and below of the UDR service, the handler for reading Traffic Influence Subscriptions checks whether the influenceId path segment equals subs-to-notify, but does not return after sending the HTTP 404 response when...

CVE-2026-40245

Free5GC is an open-source Linux Foundation project for 5th generation 5G mobile core networks. Versions 4.2.1 and below contain an information disclosure vulnerability in the UDR Unified Data Repository service. The handler for GET /nudr-dr/v2/application-data/influenceData/subs-to-notify sends a...

GHSA-JGQ2-QV8V-5CMJ free5gc UDR improper path validation allows unauthenticated creation and modification of Traffic Influence Subscriptions

Summary An improper path validation vulnerability in the UDR service allows any unauthenticated attacker with access to the 5G Service Based Interface SBI to create or overwrite Traffic Influence Subscriptions by supplying an arbitrary value in place of the expected subs-to-notify path segment...

CVE-2026-6168

Summary: CVE-2026-6168 affects TOTOLINK A7000R (up to 9.1.0u.6115). The vulnerable component is the function setWiFiEasyGuestCfg in the file /cgi-bin/cstecgi.cgi , where improper handling of the ssid5g argument leads to a stack-based buffer overflow . This flaw enables remote exploitation; the ex...

Security Implications of 5G Communication in Industrial Systems

Traditionally, industrial control systems ICS were designed without security in mind, prioritizing availability and real-time communication. As these systems increasingly become targets of powerful adversaries, security can no longer be neglected. Driven by flexibility and automation needs, ICS a...

CVE-2026-23818

A vulnerability has been identified in the graphical user interface GUI of HPE Aruba Networking Private 5G Core On-Prem that could allow an attacker to abuse an open redirect vulnerability in the login flow using a crafted URL. Successful exploitation may redirect an authenticated user to an...

free5GC 安全漏洞

free5GC is an open-source project for the 5th generation 5G mobile core network. Version 4.2.0 of free5GC contains a security vulnerability, which stems from issues with the NGSetupRequest Handler component and could lead to denial-of-service attacks...

Merkle Tree Certificate Post-Quantum PKI for Kubernetes and Cloud-Native 5G/B5G Core

Post-quantum signature schemes such as ML-DSA-65 produce signatures of 3,309 bytes and public keys of 1,952 bytes over 50 times larger than classical Ed25519. In TLS-authenticated environments like Kubernetes control planes and 5G Core networks, where every inter-component connection is mutually...

Semantics over Syntax: Uncovering Pre-Authentication 5G Baseband Vulnerabilities

Modern 5G user equipment UE processes Radio Resource Control RRC configuration messages during early control-plane exchanges, before authentication and integrity protection are established. Prior work for testing 5G UEs has largely focused on constructing syntactically invalid inputs. In contrast...

CVE-2026-34762 Ella Core Has Audit Log Falsification via Path/Body IMSI Mismatch in UpdateSubscriber

Ella Core is a 5G core designed for private networks. Prior to version 1.8.0, the PUT /api/v1/subscriber/imsi API accepts an IMSI identifier from both the URL path and the JSON request body but never verifies they match. This allows an authenticated NetworkManager to modify any subscriber's polic...

Ella Core 代码问题漏洞

Ella Core is an open-source solution developed by Ella Networks for use in private networks as a 5G core network solution. Versions of Ella Core prior to 1.8.0 contained code vulnerabilities. These vulnerabilities stemmed from kernel crashes that occurred when processing messages indicating faile...

free5GC 安全漏洞

Free5GC is an open-source project for the 5th generation 5G mobile core network. Version 4.2.0 of Free5GC contains a security vulnerability, which stems from a type confusion issue in the aper component...

CVE-2026-33907 Ella Core Panics during NAS Authentication Response/Failure with missing IEs

Ella Core is a 5G core designed for private networks. Versions prior to 1.7.0 panic when processing Authentication Response and Authentication Failure NAS message missing IEs. An attacker able to send crafted NAS messages to Ella Core can crash the process, causing service disruption for all...

CVE-2026-33906

Ella Core is a 5G core designed for private networks. Prior to version 1.7.0, the NetworkManager role was granted backup and restore permission. The restore endpoint accepted any valid SQLite file without verifying its contents. A NetworkManager could replace the production database with a tamper...