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CVE-2023-26802: n/a in n/a

Critical
VulnerabilityCVE-2023-26802cvecve-2023-26802
Published: Sun Mar 26 2023 (03/26/2023, 00:00:00 UTC)
Source: CVE
Vendor/Project: n/a
Product: n/a

Description

An issue in the component /network_config/nsg_masq.cgi of DCN (Digital China Networks) DCBI-Netlog-LAB v1.0 allows attackers to bypass authentication and execute arbitrary commands via a crafted request.

AI-Powered Analysis

AILast updated: 07/03/2025, 12:40:38 UTC

Technical Analysis

CVE-2023-26802 is a critical security vulnerability identified in the /network_config/nsg_masq.cgi component of DCN (Digital China Networks) DCBI-Netlog-LAB version 1.0. This vulnerability allows an unauthenticated attacker to bypass authentication mechanisms and execute arbitrary commands on the affected device by sending a specially crafted request. The vulnerability is classified under CWE-22, which relates to improper limitation of a pathname to a restricted directory ('Path Traversal'). The CVSS v3.1 base score is 9.8, indicating a critical severity level. The attack vector is network-based (AV:N), requiring no privileges (PR:N) or user interaction (UI:N), and impacts confidentiality, integrity, and availability to a high degree (C:H/I:H/A:H). The vulnerability allows full control over the device, potentially enabling attackers to manipulate network configurations, intercept or redirect traffic, or disrupt network services. Although no known exploits are currently reported in the wild, the ease of exploitation and the critical impact make this a high-risk vulnerability. The lack of available patches or vendor information increases the urgency for mitigation and monitoring.

Potential Impact

For European organizations, the impact of this vulnerability could be severe, especially for those relying on DCN networking equipment or solutions incorporating the DCBI-Netlog-LAB platform. Successful exploitation can lead to complete compromise of network devices, resulting in unauthorized access to sensitive data, disruption of network operations, and potential lateral movement within corporate networks. This could affect critical infrastructure sectors such as finance, telecommunications, government, and manufacturing, where network reliability and security are paramount. The ability to execute arbitrary commands without authentication poses a direct threat to network integrity and availability, potentially causing service outages or data breaches. Given the high CVSS score and the critical nature of network devices, exploitation could also facilitate espionage or sabotage activities, which are of particular concern in the current geopolitical climate in Europe.

Mitigation Recommendations

European organizations should immediately identify any DCN DCBI-Netlog-LAB v1.0 deployments within their network environments. Since no official patches are currently available, organizations should implement compensating controls such as isolating affected devices from untrusted networks, restricting access to management interfaces via network segmentation and firewall rules, and monitoring network traffic for suspicious requests targeting /network_config/nsg_masq.cgi. Employing intrusion detection/prevention systems (IDS/IPS) with custom signatures to detect exploitation attempts can help mitigate risk. Additionally, organizations should engage with DCN or authorized vendors to obtain updates or patches as soon as they become available. Regularly auditing device configurations and applying the principle of least privilege to network management interfaces will reduce exposure. Finally, maintaining up-to-date backups and incident response plans will help organizations recover quickly if exploitation occurs.

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Technical Details

Data Version
5.1
Assigner Short Name
mitre
Date Reserved
2023-02-27T00:00:00.000Z
Cisa Enriched
true
Cvss Version
3.1
State
PUBLISHED

Threat ID: 682d981fc4522896dcbdc528

Added to database: 5/21/2025, 9:08:47 AM

Last enriched: 7/3/2025, 12:40:38 PM

Last updated: 8/12/2025, 9:14:38 AM

Views: 11

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