CVE-2026-48692 Vulnerability Analysis & Exploit Details

CVE-2026-48692
Vulnerability Scoring

Analysis In Progress
Analysis In Progress

Attack Complexity Details

  • Attack Complexity:
    Attack Complexity Analysis In Progress
  • Attack Vector:
    Attack Vector Under Analysis
  • Privileges Required: None
    No authentication is required for exploitation.
  • Scope:
    Impact is confined to the initially vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2026-48692 Details

Status: Received on 26 May 2026, 16:16 UTC

Published on: 26 May 2026, 16:16 UTC

CVSS Release:

CVE-2026-48692 Vulnerability Summary

CVE-2026-48692: FastNetMon Community Edition through 1.2.9 exposes a gRPC API server on port 50052 with no authentication mechanism. The server is initialized with grpc::InsecureServerCredentials() (src/fastnetmon.cpp line 477) and a source code comment explicitly acknowledges 'Listen on the given address without any authentication mechanism.' None of the RPC methods in src/api.cpp (ExecuteBan, ExecuteUnBan, GetBanlist, GetTotalTrafficCounters, etc.) perform any credential verification. The ExecuteBan and ExecuteUnBan methods trigger security-critical actions: BGP route announcements that can blackhole network traffic, and execution of external notification scripts via popen(). An attacker with local network access can ban arbitrary IP addresses (causing denial of service to legitimate traffic), unban active attacks (disabling DDoS mitigation), and trigger script execution. There is also no role-based access control separating read-only monitoring from destructive administrative operations.

Assessing the Risk of CVE-2026-48692

Access Complexity Graph

The exploitability of CVE-2026-48692 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2026-48692

No exploitability data is available for CVE-2026-48692.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2026-48692, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2026-48692, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: None
    CVE-2026-48692 does not compromise confidentiality.
  • Integrity: None
    CVE-2026-48692 does not impact data integrity.
  • Availability: None
    CVE-2026-48692 does not affect system availability.

CVE-2026-48692 References

External References

CWE Common Weakness Enumeration

Unknown

Protect Your Infrastructure against CVE-2026-48692: Combat Critical CVE Threats

Stay updated with real-time CVE vulnerabilities and take action to secure your systems. Enhance your cybersecurity posture with the latest threat intelligence and mitigation techniques. Develop the skills necessary to defend against CVEs and secure critical infrastructures. Join the top cybersecurity professionals safeguarding today's infrastructures.

Other 5 Recently Published CVEs Vulnerabilities

  • CVE-2026-9565 – A vulnerability was determined in haojing8312 WorkClaw up to 0.6.4. This affects the function is_dangerous of the file apps/runtime/src-tauri/src/a...
  • CVE-2026-9564 – A vulnerability was found in SourceCodester/oretnom23 Hospitals Patient Records Management System 1.0. The impacted element is an unknown function ...
  • CVE-2026-9562 – A vulnerability has been found in sambitraj STUDENT-MANAGEMENT-SYSTEM up to 56ba287f2e9031523ccb4244cb6e3fe530e4e5d5. The affected element is an un...
  • CVE-2026-8852 – IBM HTTP Server 8.5, and 9.0 is vulnerable to denial of service via the optional module mod_fastcgi module.
  • CVE-2026-8850 – IBM HTTP Server 8.5, and 9.0 is vulnerable to denial of service via the optional module mod_ibm_upload.