Stack-Based Buffer Overflow Vulnerability in Tenda FH451 by Tenda
CVE-2025-7853

8.7HIGH

Key Information:

Vendor

Tenda

Status
Vendor
CVE Published:
19 July 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-7853?

A critical vulnerability in the Tenda FH451 device allows remote attackers to exploit a stack-based buffer overflow through the fromSetIpBind function in the /goform/SetIpBind file. By manipulating the argument, attackers may execute arbitrary code or cause unintended behavior in the system. This issue, which has been publicly disclosed, necessitates immediate attention from users to mitigate potential risks associated with remote exploitation.

Affected Version(s)

FH451 1.0.0.9

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

panda_0x1 (VulDB User)
.
CVE-2025-7853 : Stack-Based Buffer Overflow Vulnerability in Tenda FH451 by Tenda