Vulnerability details
CVE-2026-11556
Tenda F451
Tenda F451 Web Management WriteFacMac formWriteFacMac os command injection
CVSS 4.0
8.7High
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.7High | 4.0 | CVEProject cvelistV5 (CNA) (VulDB) | 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 |
| 8.8High | 3.1 | CVEProject cvelistV5 (CNA) (VulDB) | 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 |
| 8.8High | 3.0 | CVEProject cvelistV5 (CNA) (VulDB) | 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 |
| 9.0High | 2.0 | CVEProject cvelistV5 (CNA) (VulDB) | AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Tenda | F451 | 1.0.0.7 | CVEProject cvelistV5 (CNA) |
| Tenda | F451 | 1.0.0.9 | CVEProject cvelistV5 (CNA) |
References and advisories
6- https://vuldb.com/vuln/369166 vdb-entrytechnical-description
- https://vuldb.com/vuln/369166/cti signaturepermissions-required
- https://vuldb.com/cve/CVE-2026-11556 third-party-advisory
- https://vuldb.com/submit/836476 third-party-advisory
- https://github.com/Robots10/IoT_vlu/blob/main/reports/Tenda/formWriteFacMac2/formWriteFacMac.md exploit
- https://www.tenda.com.cn/ product
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Details
- Published
- 2026-06-08
- Last updated
- 2026-06-09
- State
- Published
- Assigner (CNA)
- VulDB
Exploit prediction (EPSS)
1.61%
Probability of exploitation in 30 days
76.1%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- Proof of concept
- Technical impact
- Total
Weaknesses (CWE)
- CWE-78OS Command Injection
- CWE-77Command Injection