Buffer Overflow Vulnerability in Totolink A3002MU Appliance
CVE-2026-93738

9.4CRITICAL

Key Information:

Vendor

Totolink
Status
A3002mu
Vendor
CVE Published:
18 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-93738?

A buffer overflow vulnerability has been identified in the Totolink A3002MU, specifically affecting the formSchedule function in the /boafrm/formSchedule file. This vulnerability allows an attacker to manipulate the 'webpage' argument, leading to potential remote exploitation of the device. Exploit details have been made public, raising concerns over unauthorized access and security breaches.

Affected Version(s)

A3002MU Hh-B20211125.1046

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-2026-93738 - Proof of Concept

References

https://vuldb.com/vuln/407548
vdb-entrytechnical-description
https://vuldb.com/vuln/407548/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-93738
third-party-advisory

CVSS V4

Score:
9.4
Severity:
CRITICAL
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

sunnyyang (VulDB User)
.