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CVE-2026-104075— TVU Networks Receiver/Transceiver Authentication Bypass via /tvu/Login

Quick assessment

Affected
TVU Networks TVU Receiver / Transceiver
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

TVU Networks 的 Receiver/Transceiver 设备，若运行版本低于 7.9 的固件，在其 Web 管理登录接口 POST /tvu/Login 中存在一个身份验证绕过漏洞。远程未认证的攻击者可以通过提交为空或缺失的 UserName 参数，获取管理员会话。攻击者可以直接发送构造的 HTTP 请求，绕过客户端 JavaScript 验证，无论密码值如何，均可获得有效的会话 cookie，从而完全控制设备的 Web 管理接口。

CVSS 9.8 · Critical

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
TVU Networks TVU Receiver / Transceiver < 7.9 affected
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I. Basic Information for CVE-2026-104075

Vulnerability Information
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Vulnerability Title
TVU Networks Receiver/Transceiver Authentication Bypass via /tvu/Login
Source: CVE Program / CVE List V5
Vulnerability Description
TVU Networks Receiver/Transceiver devices running firmware before version 7.9 contain an authentication bypass vulnerability in the web management login endpoint POST /tvu/Login that allows remote unauthenticated attackers to obtain an administrative session by submitting an empty or absent UserName parameter. Attackers can send a crafted HTTP request directly, bypassing client-side JavaScript validation, to receive a valid session cookie regardless of the password value and gain full administrative control of the device's web management interface.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用候选路径或通道进行的认证绕过
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
TVU Networks TVU Receiver / Transceiver 0 ~ 7.9 -

II. Public POCs for CVE-2026-104075

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III. Intelligence Information for CVE-2026-104075

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Other References for CVE-2026-104075 (2)

IV. Related Vulnerabilities

Same product: TVU Receiver / Transceiver
Same vendor: TVU Networks
Same weakness: CWE-288

V. Comments for CVE-2026-104075

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