CVE-2026-105285: Stack-based Buffer Overflow in Totolink A3002MU
Description
A critical stack-based buffer overflow vulnerability exists in Totolink A3002MU version 1.0.0-B20230403.1455. The flaw is located in the QoS Rule Handler component, specifically in the /boafrm/formIpQoS file, where manipulation of the addQos/comment/entry_name argument can trigger the overflow. This vulnerability is remotely exploitable without authentication and has a publicly disclosed exploit.
CVSS v4.0
Score 10.0critical
Affected software
Totolink
A3002MU
cpe:2.3:a:totolink:a3002mu:*:*:*:*:*:*:*:*AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-105285 is a stack-based buffer overflow vulnerability in Totolink A3002MU firmware version 1.0.0-B20230403.1455. The vulnerability arises from improper handling of the addQos/comment/entry_name argument in the QoS Rule Handler component's /boafrm/formIpQoS file. An attacker can remotely exploit this flaw without any privileges or user interaction, potentially leading to severe impacts. The vulnerability has a CVSS 4.0 base score of 10.0, indicating critical severity. Public exploit code is available, increasing the risk of exploitation.
Potential Impact
Successful exploitation can lead to remote code execution or denial of service due to the stack-based buffer overflow. The vulnerability requires no privileges or user interaction and can be triggered remotely, making it highly impactful. The CVSS 4.0 score of 10.0 reflects the highest severity with high exploitability and impact metrics.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided in the available data. Until a patch is available, restrict access to the affected device's management interfaces and monitor for suspicious activity related to QoS configuration. Follow vendor updates closely for remediation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-10-04T22:17:48.917Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6ac3728c2cdf04f656ec1655
Added to database: 10/05/2026, 09:49:00 UTC
Last enriched: 10/05/2026, 10:03:12 UTC
Last updated: 10/05/2026, 10:08:13 UTC
Views: 10
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