Stack-based Buffer Overflow in Tenda FH1202 Router
CVE-2026-7035

8.7HIGH

Key Information:

Vendor

Tenda
Status
Fh1202
Vendor
CVE Published:
26 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-7035?

A stack-based buffer overflow vulnerability exists in the Tenda FH1202 router, specifically in the fromWrlclientSet function within the httpd component. This flaw is triggered by manipulating the 'Go' argument in the /goform/WrlclientSet file, allowing remote attackers to execute arbitrary code. The potential for remote exploitation is high, making it critical for users to take immediate action to secure their devices. The vulnerability has been publicly disclosed, which increases the urgency for mitigating measures.

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-2026-7035 - Proof of Concept

References

https://vuldb.com/vuln/359615
vdb-entrytechnical-description
https://vuldb.com/vuln/359615/cti
signaturepermissions-required
https://vuldb.com/submit/798477
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

LtzHuster (VulDB User)
.