EUVD-2026-72351
GHSA-j3cm-vx4c-h779
Severity by source
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/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
Network-accessible, no auth, no interaction required; C:L and I:L reflect limited info disclosure and WiFi config write; no direct availability impact on the router.
Primary rating from Vendor (VulDB).
CVSS VectorVendor: VulDB
Lifecycle Timeline
3DescriptionCVE.org
A flaw has been found in Tenda AC9 15.03.05.14. This impacts the function R7WebsSecurityHandler of the component Web Management. This manipulation causes improper authentication. The attack may be initiated remotely. The exploit has been published and may be used.
AnalysisAI
Authentication bypass in Tenda AC9 firmware 15.03.05.14 allows unauthenticated remote attackers to circumvent the web management interface's R7WebsSecurityHandler authentication gating. Published PoC files demonstrate two concrete attack paths: unauthenticated product information disclosure via the getProduct endpoint and unauthenticated WiFi credential modification via the fast_setting_wifi_set endpoint. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No special configuration or authentication is required - exploitation targets the default web management interface of any Tenda AC9 device running firmware 15.03.05.14 that has its HTTP management port reachable from the attacker's network. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L) rates the base score at 6.9, reflecting limited per-component impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | No vendor-released patch has been identified at time of analysis. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-287 – Improper Authentication
View allSame technique Authentication Bypass
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External POC / Exploit Code
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