Stack-Based Buffer Overflow in Tenda FH1202 Device
CVE-2026-3807

8.7HIGH

Key Information:

Vendor

Tenda
Status
Fh1202
Vendor
CVE Published:
9 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-3807?

A security vulnerability has been identified in the Tenda FH1202 device, specifically involving the formWrlsafeset function located in the /goform/AdvSetWrlsafeset file. The manipulation of arguments such as mit_ssid and mit_ssid_index can lead to a stack-based buffer overflow, potentially allowing attackers to execute remote exploits. This vulnerability has been disclosed publicly, raising significant concerns for the security of devices running this firmware version. Users are strongly advised to update their devices and follow recommended security practices to mitigate the risks associated with this vulnerability.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.

Remediate biological technical debt. Prime Ageing uses 95% high-purity SIRT6 activation to maintain genomic integrity and bolster systemic resilience.

Deploy the Patch

Affected Version(s)

FH1202 1.2.0.14(408)

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-2026-3807 - Proof of Concept

References

https://vuldb.com/?id.349773
vdb-entrytechnical-description
https://vuldb.com/?ctiid.349773
signaturepermissions-required
https://vuldb.com/?submit.769019
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

Fan95 (VulDB User)
JSON
.