CVE-2025-7747 Details
Description
A vulnerability classified as critical has been found in Tenda FH451 1.0.0.9. This affects the function fromWizardHandle of the file /goform/WizardHandle of the component POST Request Handler. The manipulation of the argument PPW leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
A critical buffer overflow vulnerability has been identified in the Tenda FH451 router, specifically in version 1.0.0.9. The issue arises in the 'fromWizardHandle' function within the '/goform/WizardHandle' file, part of the POST Request Handler component. The vulnerability is triggered by manipulating the 'PPW' argument, allowing for remote exploitation. This flaw can lead to a denial-of-service condition and potentially be exploited to execute arbitrary code by overwriting the return address using a return-oriented programming (ROP) chain.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jul 17, 2025References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/zezhifu1/cve_report/blob/main/FH451/fromWizardHandle.md | CISA-ADP | ExploitThird Party Advisory |
| https://github.com/zezhifu1/cve_report/blob/main/FH451/fromWizardHandle.md | [email protected] | ExploitThird Party Advisory |
| https://github.com/zezhifu1/cve_report/blob/main/FH451/fromWizardHandle.md#payload | [email protected] | ExploitThird Party Advisory |
| https://vuldb.com/?ctiid.316737 | [email protected] | Permissions RequiredVDB Entry |
| https://vuldb.com/?id.316737 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/?submit.615487 | [email protected] | Third Party AdvisoryVDB Entry |
| https://www.tenda.com.cn/ | [email protected] | Product |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-120 | Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') | [email protected] |
| CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | [email protected] |
| CWE-120 | Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| tenda fh451 firmware | 1.0.0.9 |
CPE
Remediation
| |
| tenda fh451 | All versions |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jul 18, 2025 | Initial Analysis | [email protected] |
| Jul 17, 2025 | CVE Modified | CISA-ADP |
| Jul 17, 2025 | New CVE Received | [email protected] |