Stack-Based Buffer Overflow in Tenda FH451 by Tenda
CVE-2025-7506

8.8HIGH

Key Information:

Vendor

Tenda
Status
FH451
Vendor
CVE Published:
12 July 2025

What is CVE-2025-7506?

A stack-based buffer overflow vulnerability has been identified in the Tenda FH451 router, specifically in the 'fromNatlimit' function located in the HTTP POST Request Handler. This vulnerability arises when the argument 'page' is manipulated, which can allow remote attackers to execute arbitrary code or disrupt device functionality. Due to its nature, this flaw poses a significant risk as it can be exploited from a distance, making it crucial for users to update to a secure version to mitigate potential threats.

References

https://github.com/zezhifu1/cve_report/blob/main/FH451/fr...
https://github.com/zezhifu1/cve_report/blob/main/FH451/fr...
https://vuldb.com/?ctiid.316189

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

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CVE-2025-7506 : Stack-Based Buffer Overflow in Tenda FH451 by Tenda