CVE-2026-82695— Tenda AC18 Telnet telnet missing authentication
Quick assessment
Affected
Tenda AC18
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 ac18 firmware是中国Tenda公司的一款路由器固件。 Tenda ac18 firmware 15.03.05.19版本存在授权问题漏洞，该漏洞源于Telnet Handler组件中/goform/telnet文件的操作导致缺失身份验证，可能允许远程攻击。
Possible ATT&CK Techniques 1 AI
T1559.001 · Component Object Model
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I. Basic Information for CVE-2026-82695
Vulnerability Information
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Vulnerability Title
Tenda AC18 Telnet telnet missing authentication
Source: CVE Program / CVE List V5
Vulnerability Description
A security flaw has been discovered in Tenda AC18 15.03.05.19. Impacted is an unknown function of the file /goform/telnet of the component Telnet Handler. The manipulation results in missing authentication. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.
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 ac18 firmware 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda ac18 firmware是中国Tenda公司的一款路由器固件。 Tenda ac18 firmware 15.03.05.19版本存在授权问题漏洞，该漏洞源于Telnet Handler组件中/goform/telnet文件的操作导致缺失身份验证，可能允许远程攻击。
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
II. Public POCs for CVE-2026-82695
| # | POC Description | Source Link | Shenlong Link |
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Proof of Concept for CVE-2026-82695 (1)
News Coverage for CVE-2026-82695 (1)
Other References for CVE-2026-82695 (2)
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🔗 CVE-2026-82695 in AC18 third-party-advisory
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Same Patch Batch · Tenda · 2026-08-31 · 3 CVEs total
| CVE-2026-82694 | 10.0 CRITICAL | Tenda AC1206 Web UI ate R7WebsSecurityHandler missing authentication |
| CVE-2026-82693 | 10.0 CRITICAL | Tenda AC1206 Web UI telnet TendaTelnet missing authentication |
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V. Comments for CVE-2026-82695
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