Description
Linknat VOS3000 and VOS2009 through version 2.1.2.0 contain an unauthenticated SQL injection vulnerability that allows remote attackers to execute arbitrary SQL commands by manipulating the name parameter in a POST request to the login endpoint. Attackers can inject malicious SQL through the login form and retrieve injected query results from a subsequent session request, enabling extraction of plaintext credentials and other database content with DBA-level privileges.
Published: 2026-07-21
Score: 9.3 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Thu, 23 Jul 2026 21:45:00 +0000

Type Values Removed Values Added
First Time appeared Kunshi Network Technology
Kunshi Network Technology linknat Vos3000
Kunshi Network Technology Co., Ltd.
Kunshi Network Technology Co., Ltd. linknat Vos2009
Vendors & Products Kunshi Network Technology
Kunshi Network Technology linknat Vos3000
Kunshi Network Technology Co., Ltd.
Kunshi Network Technology Co., Ltd. linknat Vos2009

Wed, 22 Jul 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 21 Jul 2026 19:15:00 +0000

Type Values Removed Values Added
Description Linknat VOS3000 and VOS2009 through version 2.1.2.0 contain an unauthenticated SQL injection vulnerability that allows remote attackers to execute arbitrary SQL commands by manipulating the name parameter in a POST request to the login endpoint. Attackers can inject malicious SQL through the login form and retrieve injected query results from a subsequent session request, enabling extraction of plaintext credentials and other database content with DBA-level privileges.
Title Linknat VOS3000/VOS2009 2.1.2.0 SQL Injection via login.jsp
Weaknesses CWE-89
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


Subscriptions

Kunshi Network Technology Linknat Vos3000
Kunshi Network Technology Co., Ltd. Linknat Vos2009
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-07-22T19:06:24.973Z

Reserved: 2026-07-21T18:49:01.724Z

Link: CVE-2016-20096

cve-icon Vulnrichment

Updated: 2026-07-22T19:06:22.353Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-24T03:15:02Z

Weaknesses