CVE-2026-11556
Tenda F451 Web Management WriteFacMac formWriteFacMac os command injection
- State
- Published
- Severity
- 8.7 High
- Published
- Jun 8, 2026
- Updated
- Jun 9, 2026
- Reserved
- Jun 8, 2026
Description
A security flaw has been discovered in Tenda F451 1.0.0.7/1.0.0.9. Impacted is the function formWriteFacMac of the file /goform/WriteFacMac of the component Web Management Interface. Performing a manipulation of the argument mac results in os command injection. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks.
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 |
|---|---|
F451Tenda |
|
References
- VDB-369166 | Tenda F451 Web Management WriteFacMac formWriteFacMac os command injectionvdb-entrytechnical-description
- VDB-369166 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- CVE-2026-11556 | CVE Analysis and Reportthird-party-advisory
- Submit #836476 | Tenda Tenda F451 Wireless Router V1.0.0.7, V1.0.0.9 OS Command Injectionthird-party-advisory
- https://github.com/Robots10/IoT_vlu/blob/main/reports/Tenda/formWriteFacMac2/formWriteFacMac.mdexploit
- https://www.tenda.com.cn/product
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