Missing Authentication in Tenda AC1206 Web UI Telnet Functionality
CVE-2026-82693

10CRITICAL

Key Information:

Vendor

Tenda
Status
Ac1206
Vendor
CVE Published:
31 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-82693?

A significant security vulnerability has been identified in the Tenda AC1206's Web UI, specifically affecting the Telnet function. This flaw allows unauthorized remote access to the system through the /goform/telnet interface due to inadequate authentication measures. As a result, attackers can exploit this vulnerability to manipulate system settings and potentially gain control over the device. The details of this exploit have been made publicly available, underscoring the urgency for affected users to take immediate action to secure their devices.

Affected Version(s)

AC1206 15.03.06.23

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-82693 - Proof of Concept

References

https://vuldb.com/vuln/397181
vdb-entrytechnical-description
https://vuldb.com/vuln/397181/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-82693
third-party-advisory

CVSS V4

Score:
10
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

ST4R0003 (VulDB User)
.