Stack-Based Buffer Overflow in Tenda FH1202 Router
CVE-2025-5978

8.7HIGH

Key Information:

Vendor

Tenda
Status
Fh1202
Vendor
CVE Published:
10 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-5978?

The Tenda FH1202 router has a vulnerability in the fromVirtualSer function located in /goform/VirtualSer, which allows an attacker to manipulate the 'page' argument and trigger a stack-based buffer overflow. This flaw can be exploited remotely, compromising the security of the device and potentially allowing unauthorized access to the network. Given that the exploit has been publicly disclosed, it is crucial for users to take preventive measures immediately.

Affected Version(s)

FH1202 1.2.0.14

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.

CVE-2025-5978 - Proof of Concept

References

https://vuldb.com/?id.311856
vdb-entrytechnical-description
https://vuldb.com/?ctiid.311856
signaturepermissions-required
https://vuldb.com/?submit.592462
third-party-advisory

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

yhryhryhr_miemie (VulDB User)
.