Quantum Router QN-I-470 6.1.1.B1 Web-based Management Interface excessive authentication

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.9$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Quantum Router QN-I-470 6.1.1.B1. This issue affects some unknown processing of the component Web-based Management Interface. The manipulation results in excessive authentication. This vulnerability was named CVE-2026-41037. The attack needs to be approached within the local network. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, was found in Quantum Router QN-I-470 6.1.1.B1. Affected is an unknown function of the component Web-based Management Interface. The manipulation with an unknown input leads to a excessive authentication vulnerability. CWE is classifying the issue as CWE-307. The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it more susceptible to brute force attacks. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

This vulnerability exists in Quantum Networks router due to missing rate limiting and CAPTCHA protection for failed login attempts in the web-based management interface. An attacker on the same network could exploit this vulnerability by performing brute force attacks against administrative credentials, leading to unauthorized access with root privileges on the targeted device.

The weakness was presented by Rakesh Elamaran, Stalin S, Janish Andrin J, Kali Vignesh Sm, Arkino Robilin R and Kalpana B N. as CIVN-2026-0200. The advisory is shared for download at cert-in.org.in. This vulnerability is traded as CVE-2026-41037 since 04/16/2026. The exploitability is told to be difficult. The attack needs to approached within the local network. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 04/21/2026). The MITRE ATT&CK project declares the attack technique as T1110.001.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 6.9

VulDB Base Score: 7.1
VulDB Temp Score: 6.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Excessive authentication
CWE: CWE-307 / CWE-799 / CWE-400
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/16/2026 CVE reserved
04/21/2026 +5 days Advisory disclosed
04/21/2026 +0 days VulDB entry created
04/21/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: CIVN-2026-0200
Researcher: Rakesh Elamaran, Stalin S, Janish Andrin J, Kali Vignesh Sm, Arkino Robilin R, Kalpana B N.
Status: Not defined

CVE: CVE-2026-41037 (🔒)
GCVE (CVE): GCVE-0-2026-41037
GCVE (VulDB): GCVE-100-358428

Entryinfo

Created: 04/21/2026 13:14
Changes: 04/21/2026 13:14 (68)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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