CVE-2026-86165— Tenda HG10 formURL buffer overflow
Quick assessment
Affected
Tenda HG10
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.
在 Tenda HG10 300001138 中发现了一个漏洞。该漏洞影响 文件中的 函数。对参数 进行操纵可导致缓冲区溢出。该攻击可远程发起。利用方法已公开，可能被利用。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-86165
Vulnerability Information
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Vulnerability Title
Tenda HG10 formURL buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Tenda HG10 300001138. This vulnerability affects the function formURL of the file /boaform/admin/formURL. Performing a manipulation of the argument Keywd/urlFQDN results in buffer overflow. The attack may be initiated remotely. The exploit has been made public and could be used.
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
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-86165
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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Vendor Advisories for CVE-2026-86165 (3)
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🔗 Submit #895583: Tenda HG10 HG7_HG9_HG10re_300001138 Denial of Service Read full article third-party-advisory
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🔗 Submit #895594: Tenda HG10 HG7_HG9_HG10re_300001138 Denial of Service third-party-advisory
Proof of Concept for CVE-2026-86165 (1)
Other References for CVE-2026-86165 (1)
Same Patch Batch · Tenda · 2026-09-06 · 5 CVEs total
| CVE-2026-86152 | 10.0 CRITICAL | Tenda CP3 Kylin AutoAddWifi.cpp ThreadProc os command injection |
| CVE-2026-86167 | 9.9 CRITICAL | Tenda HG10 Boa formgponConf os command injection |
| CVE-2026-86153 | 9.1 CRITICAL | Tenda CP3 Redirect.cpp SetRedirectEnable privileges management |
| CVE-2026-86166 | 8.8 HIGH | Tenda HG10 Boa Web Server formWanRedirect buffer overflow |
IV. Related Vulnerabilities
Same product: HG10
-
CVE-2026-86167
Tenda HG10 Boa formgponConf os command injection -
CVE-2026-86166
Tenda HG10 Boa Web Server formWanRedirect buffer overflow -
CVE-2026-85110
Tenda HG10 Boa Web Server formWlanSetup buffer overflow -
CVE-2026-85109
Tenda HG10 Boa Web Server formLogin buffer overflow -
CVE-2026-82542
Tenda HG10 Boa Web Server formIPv6Routing buffer overflow
Same vendor: Tenda
-
CVE-2026-86167
Tenda HG10 Boa formgponConf os command injection -
CVE-2026-86166
Tenda HG10 Boa Web Server formWanRedirect buffer overflow -
CVE-2026-86153
Tenda CP3 Redirect.cpp SetRedirectEnable privileges manageme -
CVE-2026-86152
Tenda CP3 Kylin AutoAddWifi.cpp ThreadProc os command inject -
CVE-2026-86151
Tenda CP3 Network Configuration Management system.c sub_2F77
Same weakness: CWE-120
-
CVE-2026-86166
Tenda HG10 Boa Web Server formWanRedirect buffer overflow -
CVE-2026-85110
Tenda HG10 Boa Web Server formWlanSetup buffer overflow -
CVE-2026-85109
Tenda HG10 Boa Web Server formLogin buffer overflow -
CVE-2026-85031
TOTOLINK CP450 cstecgi.cgi buffer overflow -
CVE-2026-9625
RSLinx Classic® - Multiple Vulnerabilities
V. Comments for CVE-2026-86165
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