CVE-2025-7434

A vulnerability was found in Tenda FH451 up to 1.0.0.9 and classified as critical. Affected by this issue is the function fromAddressNat of the file /goform/addressNat of the component POST Request Handler. The manipulation of the argument page leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

• CWE-119
• CWE-121

• https://github.com/zezhifu1/cve_report/blob/main/FH451/fromAddressNat.mdExploit, Third Party Advisory
• https://github.com/zezhifu1/cve_report/blob/main/FH451/fromAddressNat.md#payloadExploit, Third Party Advisory
• https://vuldb.com/?ctiid.316004Permissions Required
• https://vuldb.com/?id.316004Third Party Advisory, VDB Entry
• https://vuldb.com/?submit.609058Third Party Advisory, VDB Entry
• https://www.tenda.com.cn/Product
• https://github.com/zezhifu1/cve_report/blob/main/FH451/fromAddressNat.mdExploit, Third Party Advisory

Published

Jul 11, 2025

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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