Stack-Based Buffer Overflow in Tenda FH1205 Router
CVE-2025-7596

8.7HIGH

Key Information:

Vendor

Tenda

Status
Vendor
CVE Published:
14 July 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-7596?

A stack-based buffer overflow vulnerability exists in the Tenda FH1205 router's formWifiExtraSet function located in the /goform/WifiExtraSet file. This flaw is exploitable remotely by manipulating the wpapsk_crypto argument, which could lead to unauthorized access and control over the device. The issue has been publicly disclosed, raising concerns about the potential for exploitation in the wild.

Affected Version(s)

FH1205 2.0.0.7(775)

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-2025-7596 : Stack-Based Buffer Overflow in Tenda FH1205 Router