{"id":59813,"date":"2025-08-02T01:30:34","date_gmt":"2025-08-02T01:30:34","guid":{"rendered":""},"modified":"2025-10-21T17:37:21","modified_gmt":"2025-10-21T23:37:21","slug":"cve-2025-6918-critical-sql-injection-vulnerability-in-ncvav-virtual-pbx-software","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-6918-critical-sql-injection-vulnerability-in-ncvav-virtual-pbx-software\/","title":{"rendered":"CVE-2025-6918: Critical SQL Injection Vulnerability in Ncvav Virtual PBX Software<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

We’re diving into the details of a critical SQL Injection vulnerability identified as CVE-2025-6918. This flaw is found in Ncvav’s Virtual PBX Software, a widely used system in many organizations for their telecommunication needs. The risk this vulnerability presents is significant, as it opens up potential for system<\/a> compromise and data leakage, which could lead to devastating consequences for any business.
\nThe importance of understanding and mitigating this vulnerability<\/a> cannot be overstated. According to the Common Vulnerability Scoring System<\/a> (CVSS), it has a Severity Score of 9.8, indicating its critical nature. In the cybersecurity<\/a> world, anything above 7 is considered high risk, so this score tells us that immediate attention and action are required.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2025-6918
\nSeverity: Critical (CVSS: 9.8)
\nAttack Vector: Network
\nPrivileges Required: Low
\nUser Interaction: None
\nImpact: System compromise or data<\/a> leakage<\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

Virtual PBX Software | Before 09.07.2025<\/p>\n

How the Exploit Works<\/strong><\/p>\n

The vulnerability stems from the software’s<\/a> improper neutralization of special elements used in an SQL command. This failure allows an attacker to manipulate SQL queries in the software’s database by injecting malicious SQL code<\/a>. The attacker can then potentially gain unauthorized access to sensitive data<\/a> or even execute commands in the system. Given the nature of PBX systems, this could compromise sensitive information like call records, voicemails, or even system configurations<\/a>.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

Below is a
\nconceptual<\/strong>
\n example of how the vulnerability might be exploited. This could be a malicious SQL command hidden within a seemingly harmless request to the system<\/a>.<\/p>\n

POST \/pbx\/api\/request HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/x-www-form-urlencoded\nusername=admin&password=123456' OR '1'='1'; --<\/code><\/pre>\n
In the above example, the attacker is attempting to log in with a username of “admin” and a password that includes an SQL injection<\/a>. The “‘ OR ‘1’=’1′; –” portion of the command is the SQL injection<\/a>, which will always evaluate to true, potentially granting the attacker unauthorized access.<\/p>\n
How to Mitigate CVE-2025-6918<\/strong><\/p>\n
The most effective way to mitigate this vulnerability is to apply the vendor\u2019s patch. Ncvav has already released a patch for this critical issue<\/a> for versions of Virtual PBX Software from 09.07.2025 onwards.
\nIn cases where immediate patching is not feasible, deploying a Web<\/a> Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as a temporary mitigation method. These systems can help by detecting and blocking SQL Injection<\/a> attempts. However, they should not be used as a long-term solution in place of patching the system. Regular updates and patches are essential for maintaining a secure cybersecurity infrastructure.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview We’re diving into the details of a critical SQL Injection vulnerability identified as CVE-2025-6918. This flaw is found in Ncvav’s Virtual PBX Software, a widely used system in many organizations for their telecommunication needs. The risk this vulnerability presents is significant, as it opens up potential for system compromise and data leakage, which could […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[],"product":[],"attack_vector":[74],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-59813","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-sql-injection"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t