CVE-2026-86166
Tenda HG10 Boa Web Server formWanRedirect buffer overflow
- State
- Published
- Severity
- 8.7 High
- Published
- Sep 6, 2026
- Updated
- Sep 11, 2026
- Reserved
- Sep 5, 2026
Description
A vulnerability was determined in Tenda HG10 300001138. This issue affects the function formWanRedirect of the file /boaform/formWanRedirect of the component Boa Web Server. Executing a manipulation of the argument if can lead to buffer overflow. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 3.0 | 8.8 High | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 2.0 | 9.0 High | AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
HG10Tenda |
|
References
- VDB-399305 | Tenda HG10 Boa Web Server formWanRedirect buffer overflowvdb-entrytechnical-description
- VDB-399305 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-86166 | CVE Analysis and Reportthird-party-advisory
- Submit #895595 | Tenda HG10 HG7_HG9_HG10re_300001138 Denial of Servicethird-party-advisory
- https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/HG10/bof-formWanRedirect-if.mdexploit
- https://www.tenda.com.cn/product
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