What is the CVSS score of CVE-2026-3818?

CVE-2026-3818 has a CVSS 4.0 base score of 5.5 (Medium). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P. EPSS exploitation probability: 0.0%.

How to fix or mitigate CVE-2026-3818?

Within 24 hours: Inventory all Tiandy Easy7 CMS deployments and restrict network access to the /Easy7/apps/WebService/GetDBData.jsp endpoint using firewall rules or WAF policies. Within 7 days: Implement comprehensive network segmentation isolating CMS systems from critical assets and deploy enhanced monitoring/logging on affected systems. Within 30 days: Evaluate alternative CMS solutions or contact Tiandy for patch timeline; maintain strict access controls and monitoring until patched.

Easy7 Cms CVE-2026-3818

MEDIUM

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') (CWE-74)

2026-03-09 cna@vuldb.com

SQLi Microsoft Easy7 Cms Tiandy

5.5

CVSS 4.0 · NVD

View

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

Access

Send HTTP request to GetDBData.jsp
Exploit

Inject SQL payload in strTBName parameter
Execution

Execute arbitrary SQL queries
Impact

Extract or modify database contents

Vulnerability Assessment

Weakness	CWE CWE-74 OWASP Top 10:2025 A05:2025 - Injection ASVS 5.0 V1 - Encoding and Sanitization Input neutralization, injection prevention
Exploitation Conditions	Tiandy Easy7 CMS version 7.17.0 with WebService endpoint /Easy7/apps/WebService/GetDBData.jsp accessible over network. No authentication required; default installation vulnerable to remote unauthenticated SQL injection.
Impact	CVSS 7.3 (HIGH). Attack vector: Network. Complexity: Low. Privileges required: None. User interaction: None. Exploitable via remote/network.
Exploit ScenarioDerived	A remote attacker could exploit this vulnerability to compromise the affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

No patch listed yet 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 12, 2026

SQL injection in Tiandy Easy7 CMS 7.17.0 allows unauthenticated remote attackers to manipulate the strTBName parameter in GetDBData.jsp, potentially accessing or modifying sensitive database information. Public exploit code exists for this vulnerability, and no patch is currently available from the vendor despite early disclosure notification.

Earlier versions of this analysis (1)

v1 Mar 12, 2026 - 21:56 CVSS 7.3

A flaw has been found in Tiandy Easy7 CMS Windows 7.17.0. Impacted is an unknown function of the file /Easy7/apps/WebService/GetDBData.jsp. [CVSS 7.3 HIGH]

RemediationAI

Monitor vendor advisories for a patch. Use parameterized queries. Implement input validation. Restrict network access to the affected service where possible.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Affects Easy7 Cms. A flaw has been found in Tiandy Easy7 CMS Windows 7.17.0. Impacted is an unknown function of the file /Easy7/apps/WebService/GetDBData.jsp. This manipulation of the argument strTBName causes sql injection. The attack may be initiated remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 5.5 MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Attack Requirements

None

Privileges Required

None

User Interaction

None

Vulnerable system: Confidentiality

Low

Vulnerable system: Integrity

Low

Vulnerable system: Availability

Low

Subsequent system: Confidentiality

None

Subsequent system: Integrity

None

Subsequent system: Availability

None

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

HIGH MEDIUM

CVSS changed

Apr 29, 2026 - 01:11 NVD

7.3 (HIGH) 5.5 (MEDIUM)

CVE Published

Mar 09, 2026 - 12:16 nvd

HIGH 7.3

DescriptionCVE.org

A flaw has been found in Tiandy Easy7 CMS Windows 7.17.0. Impacted is an unknown function of the file /Easy7/apps/WebService/GetDBData.jsp. This manipulation of the argument strTBName causes sql injection. The attack may be initiated remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Executive ViewAI

Why It Matters

Tiandy Easy7 CMS installations (version 7.17.0 and earlier) are vulnerable to an unpatched HIGH severity flaw affecting the GetDBData.jsp web service component. Organizations using this CMS face potential unauthorized data access or system compromise with no vendor patch currently available, requiring immediate interim protective measures.

Business Impact: High

Compensating Controls

Implement WAF rules to block or rate-limit requests to /Easy7/apps/WebService/GetDBData.jsp; restrict network access via firewall to authorized users/IPs only; disable the GetDBData web service if operationally feasible; enable verbose logging and monitoring for suspicious activity on affected systems; segment CMS infrastructure from sensitive data and critical systems; conduct regular access reviews and enforce principle of least privilege.

Threat Intelligence Overview

EPSS Score

0.0%

Top 99% exploitable

Data Quality

4 sources

Confidence: Medium

NVD

CVE.org

EPSS

VulDB

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC No

EPSS 0.0%

Patch available No

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.