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CVE-2026-82693— Tenda AC1206 Web UI telnet TendaTelnet missing authentication

Quick assessment

Affected
Tenda AC1206
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.

Tenda ac1206 firmware是中国Tenda公司的一款网络设备固件。 Tenda ac1206 firmware 15.03.06.23版本存在授权问题漏洞，该漏洞源于Web UI组件的/goform/telnet文件中的TendaTelnet函数缺少身份验证，可能导致远程攻击。

CVSS 10.0 · Critical EPSS 1.42% · P73

Affected Version Matrix 1

VendorProduct Version RangeStatus
Tenda AC1206 15.03.06.23 affected
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I. Basic Information for CVE-2026-82693

Vulnerability Information
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Vulnerability Title
Tenda AC1206 Web UI telnet TendaTelnet missing authentication
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was determined in Tenda AC1206 15.03.06.23. This vulnerability affects the function TendaTelnet of the file /goform/telnet of the component Web UI. Executing a manipulation can lead to missing authentication. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Tenda ac1206 firmware 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda ac1206 firmware是中国Tenda公司的一款网络设备固件。 Tenda ac1206 firmware 15.03.06.23版本存在授权问题漏洞，该漏洞源于Web UI组件的/goform/telnet文件中的TendaTelnet函数缺少身份验证，可能导致远程攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Tenda AC1206 15.03.06.23 cpe:2.3:o:tenda:ac1206_firmware:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-82693

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III. Intelligence Information for CVE-2026-82693

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Vendor Advisories for CVE-2026-82693 (1)

Proof of Concept for CVE-2026-82693 (1)

Other References for CVE-2026-82693 (2)

Same Patch Batch · Tenda · 2026-08-31 · 3 CVEs total

CVE-2026-82695 10.0 CRITICAL Tenda AC18 Telnet telnet missing authentication
CVE-2026-82694 10.0 CRITICAL Tenda AC1206 Web UI ate R7WebsSecurityHandler missing authentication

IV. Related Vulnerabilities

Same product: AC1206
Same vendor: Tenda
Same weakness: CWE-306

V. Comments for CVE-2026-82693

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