CVE-2025-7796 Details
Description
A vulnerability, which was classified as critical, was found in Tenda FH451 1.0.0.9. This affects the function fromPptpUserAdd of the file /goform/PPTPDClient. The manipulation of the argument Username leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
A critical stack-based buffer overflow vulnerability has been identified in the Tenda FH451 router, specifically in version 1.0.0.9. The issue arises in the 'fromPptpUserAdd' function within the '/goform/PPTPDClient' file, where improper handling of the 'Username' parameter allows for remote exploitation. This vulnerability has been publicly disclosed and is accompanied by a proof-of-concept exploit.
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 18, 2025References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/panda666-888/vuls/blob/main/tenda/fh451/fromPptpUserAdd.md | [email protected] | ExploitThird Party Advisory |
| https://github.com/panda666-888/vuls/blob/main/tenda/fh451/fromPptpUserAdd.md#poc | [email protected] | ExploitThird Party Advisory |
| https://vuldb.com/?ctiid.316857 | [email protected] | Permissions Required |
| https://vuldb.com/?id.316857 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/?submit.616345 | [email protected] | Third Party AdvisoryVDB Entry |
| https://www.tenda.com.cn/ | [email protected] | Product |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | [email protected] |
| CWE-121 | Stack-based 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
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jul 23, 2025 | Initial Analysis | [email protected] |
| Jul 18, 2025 | New CVE Received | [email protected] |