CVE-2026-7151
Tenda HG3 formIPv6Routing formUploadConfig stack-based overflow
- State
- Published
- Severity
- 8.7 High
- Published
- Apr 27, 2026
- Updated
- Apr 29, 2026
- Reserved
- Apr 26, 2026
Description
A vulnerability was determined in Tenda HG3 2.0. Impacted is the function formUploadConfig of the file /boaform/formIPv6Routing. This manipulation of the argument destNet causes stack-based buffer overflow. It is possible to initiate the attack 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 |
|---|---|
HG3Tenda |
|
References
- VDB-359750 | Tenda HG3 formIPv6Routing formUploadConfig stack-based overflowvdb-entrytechnical-description
- VDB-359750 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #802058 | Tenda HG3 N300 Wi-Fi xPON ONT HARD_VERSION=V2.0 , Version: 300003070 dosthird-party-advisory
- https://www.notion.so/33e0c75766a88041bd86d3810994a541exploit
- https://www.tenda.com.cn/product
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