Stack-Based Buffer Overflow in Tenda AC1206 Web Management Interface
CVE-2026-19788

8.7HIGH

Key Information:

Vendor

Tenda
Status
Ac1206
Vendor
CVE Published:
14 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-19788?

A stack-based buffer overflow vulnerability exists in the Tenda AC1206 web management interface, specifically within the set_device_name function of the /goform/SetOnlineDevName endpoint. By manipulating the devName parameter, an attacker can exploit this vulnerability remotely, leading to potential unauthorized access and manipulation of device settings. The nature of this flaw poses serious security concerns, as it allows an attacker to execute arbitrary code.

Affected Version(s)

AC1206 15.03.06.23_multi_TD01

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-2026-19788 - Proof of Concept

References

https://vuldb.com/vuln/389755
vdb-entrytechnical-description
https://vuldb.com/vuln/389755/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-19788
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

stksgg (VulDB User)
.