Buffer Overflow in Tenda BE12 Pro Router
CVE-2026-15693

8.7HIGH

Key Information:

Vendor

Tenda
Status
Be12 Pro
Vendor
CVE Published:
14 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-15693?

A critical security vulnerability has been identified in the Tenda BE12 Pro router, specifically in the 'fromSafeMacFilter' function located in the '/goform/SafeMacFilter' file. This vulnerability allows for a stack-based buffer overflow due to improper handling of input arguments, which can be exploited remotely by an attacker. The exploit has been publicly disclosed and poses a significant risk to users, as successful exploitation can lead to unauthorized access and control of the affected device.

Affected Version(s)

BE12 Pro 16.03.66.23

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-2026-15693 - Proof of Concept

References

https://vuldb.com/vuln/378240
vdb-entrytechnical-description
https://vuldb.com/vuln/378240/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-15693
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

dexingzhiqing (VulDB User)
.