CVE-2026-41037 | Quantum Router QN-I-470 6.1.1.B1 Web-based Management Interface excessive authentication (CIVN-2026-0200)

VDB-358428 · CVE-2026-41037 · CIVN-2026-0200 QUANTUM ROUTER QN-I-470 6.1.1.B1 WEB-BASED MANAGEMENT INTERFACE EXCESSIVE AUTHENTICATION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 6.9 $0-$5k 2.14+ 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. Productinfo Type Router Operating System Vendor Quantum Name Router QN-I-470 Version 6.1.1.B1 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 Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock 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 Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock 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: 99:F8A:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸