Missing Rate Limiting Vulnerability in Quantum Networks Router QN-I-470
Summary
| CVE | CVE-2026-41037 |
|---|---|
| State | PUBLISHED |
| Assigner | CERT-In |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-04-21 10:16:30 UTC |
| Updated | 2026-04-21 11:16:19 UTC |
| Description | 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. |
Risk And Classification
Primary CVSS: v4.0 8.7 HIGH from [email protected]
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Problem Types: CWE-307 | CWE-307 CWE-307 Improper restriction of excessive authentication attempts
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 8.7 | HIGH | CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/C... |
| 4.0 | CNA | CVSS | 8.7 | HIGH | CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
CVSS v4.0 Breakdown
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Quantum Networks | Router QN-I-470 | affected at 6.1.1.B1 custom | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.cert-in.org.in/s2cMainServlet | [email protected] | www.cert-in.org.in | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: This vulnerability is reported by Rakesh Elamaran, Stalin S, Janish Andrin J, Kali Vignesh SM, Arkino Robilin R and Kalpana B N. (en)
Additional Advisory Data
Solutions
CNA: Upgrade Quantum Networks Router QN-I-470 to latest firmware version 7.5.4.B9: https://www.qntmnet.com/wp-content/uploads/2026/04/QN-I-470-7.5.4.B9.qntm?ver=1775552129