What is the CVSS score of CVE-2025-41772?

CVE-2025-41772 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.0%.

How to fix or mitigate CVE-2025-41772?

Within 24 hours: Identify all UBR instances in your environment and restrict network access to the wwwupdate.cgi endpoint to trusted networks only; enable detailed logging and monitoring for suspicious access patterns. Within 7 days: Implement a WAF rule to block requests to wwwupdate.cgi containing session tokens in URL parameters; rotate all existing session tokens and force re-authentication. Within 30 days: Evaluate alternative solutions or managed services that eliminate this exposure; develop a vendor communication plan to track patch availability and apply immediately upon release.

Universal Bacnet Router Firmware CVE-2025-41772

HIGH

Use of GET Request Method With Sensitive Query Strings (CWE-598)

2026-03-09 info@cert.vde.com

Information Disclosure Universal Bacnet Router Firmware Mbs Solutions

7.5

CVSS 3.1 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-598 OWASP Top 10:2025 A06:2025 - Insecure Design ASVS 5.0 V4 - API and Web Service Sensitive data in POST not GET
Impact	CVSS 7.5 (HIGH). Attack vector: Network. Complexity: Low. Privileges required: None. User interaction: None. Exploitation no authentication required. Exploitable via remote/network.
Exploit ScenarioDerived	A remote attacker without authentication could exploit this vulnerability to compromise the affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

No patch listed yet 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 12, 2026

An unauthenticated remote attacker can obtain valid session tokens because they are exposed in plaintext within the URL parameters of the wwwupdate.cgi endpoint in UBR. [CVSS 7.5 HIGH]

RemediationAI

Monitor vendor advisories for a patch. 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 the plaintext within the URL component of Universal Bacnet Router Firmware. An unauthenticated remote attacker can obtain valid session tokens because they are exposed in plaintext within the URL parameters of the wwwupdate.cgi endpoint in UBR.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

DescriptionCVE.org

An unauthenticated remote attacker can obtain valid session tokens because they are exposed in plaintext within the URL parameters of the wwwupdate.cgi endpoint in UBR.

Executive ViewAI

Why It Matters

An unauthenticated attacker can steal valid session tokens from UBR systems by exploiting plaintext credential exposure in URL parameters, potentially gaining unauthorized access to critical infrastructure. This affects any organization running vulnerable UBR instances and requires immediate action to prevent account compromise and unauthorized system access.

Business Impact: High

Compensating Controls

Implement WAF rules to block wwwupdate.cgi access or sanitize URL parameters; restrict network access to the endpoint via firewall rules to trusted internal sources only; disable the wwwupdate.cgi endpoint if not actively required; enforce VPN/bastion host access for remote administration; implement real-time session token monitoring and invalidation policies; enable enhanced logging and SIEM alerting for token theft indicators.

Threat Intelligence Overview

EPSS Score

0.0%

Top 89% exploitable

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

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 HIGH

CISA KEV No

Public POC No

EPSS 0.0%

Patch available No

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

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.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Yes

Human Impact

High

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +38

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.