Vulnerability · Published Jul 17, 2025 · Assigned by VulDB
CVE-2025-7747Tenda FH451 POST Request WizardHandle fromWizardHandle buffer overflow
High 8.8
In plain English
A high-severity buffer overflow in FH451 from Tenda. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 63% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)1.0%top 36.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-120, CWE-119 · Vector: 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
References
- VDB-316737 | Tenda FH451 POST Request WizardHandle fromWizardHandle buffer overflow vdb-entry, technical-description
- VDB-316737 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #615487 | Tenda FH451 v1.0.0.9 Buffer Overflow third-party-advisory
- https://github.com/zezhifu1/cve_report/blob/main/FH451/fromWizardHandle.md related
- https://github.com/zezhifu1/cve_report/blob/main/FH451/fromWizardHandle.md#payload exploit
- https://www.tenda.com.cn/ product