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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-11556 Detail

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  VulDB
CVSS-BT 7.4 HIGH
Vector:  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

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://github.com/Robots10/IoT_vlu/blob/main/reports/Tenda/formWriteFacMac2/formWriteFacMac.md VulDB
https://vuldb.com/cve/CVE-2026-11556 VulDB
https://vuldb.com/submit/836476 VulDB
https://vuldb.com/vuln/369166 VulDB
https://vuldb.com/vuln/369166/cti VulDB
https://www.tenda.com.cn/ VulDB

Weakness Enumeration

CWE-ID CWE Name Source
CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection') VulDB  
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') VulDB  

Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-11556
NVD Published Date:
06/08/2026
NVD Last Modified:
07/23/2026
Source:
VulDB