Stack-Based Buffer Overflow in Totolink A3002MU QoS Rule Handler
CVE-2026-105285

10CRITICAL

Key Information:

Vendor

Totolink
Status
A3002mu
Vendor
CVE Published:
5 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-105285?

A vulnerability has been identified in Totolink A3002MU that allows for remote exploitation through a stack-based buffer overflow in the QoS Rule Handler. The issue arises from improper handling of user input in the /boafrm/formIpQoS function, specifically when manipulating arguments such as addQos, comment, and entry_name. The potential for this exploit has been publicly disclosed, adding urgency to apply necessary patches and mitigations to safeguard your systems.

Affected Version(s)

A3002MU 1.0.0-B20230403.1455

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-2026-105285 - Proof of Concept

References

https://vuldb.com/vuln/413466
vdb-entrytechnical-description
https://vuldb.com/vuln/413466/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-105285
third-party-advisory

CVSS V4

Score:
10
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

H3rmesk1t (VulDB User)
.