CVE-2026-93739: Buffer Overflow in Totolink A3002MU
A vulnerability was determined in Totolink A3002MU Hh-B20211125.1046. This impacts the function formWlAc of the file /boafrm/formWlAc. Executing a manipulation of the argument submit-url can lead to buffer overflow. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized.
AI Analysis
Technical Summary
The Totolink A3002MU router contains a buffer overflow vulnerability in the formWlAc function within the /boafrm/formWlAc file. This vulnerability is triggered by manipulating the submit-url argument, which can be exploited remotely without user interaction or privileges. The vulnerability has been publicly disclosed and is assigned CVE-2026-93739 with a CVSS 4.0 base score of 9.4, reflecting critical severity. No vendor advisory or patch information is currently available.
Potential Impact
Successful exploitation of this vulnerability can lead to a buffer overflow condition, which may allow remote attackers to execute arbitrary code or cause denial of service on the affected device. Given the critical CVSS score and remote attack vector, the impact on affected devices is severe.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict remote access to the affected device and monitor for any suspicious activity related to the formWlAc function. Avoid exposing the device's management interface to untrusted networks.
CVE-2026-93739: Buffer Overflow in Totolink A3002MU
Description
A vulnerability was determined in Totolink A3002MU Hh-B20211125.1046. This impacts the function formWlAc of the file /boafrm/formWlAc. Executing a manipulation of the argument submit-url can lead to buffer overflow. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized.
CVSS v4.0
Score 9.4critical
Affected software
Totolink
A3002MU
cpe:2.3:a:totolink:a3002mu:*:*:*:*:*:*:*:*AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Totolink A3002MU router contains a buffer overflow vulnerability in the formWlAc function within the /boafrm/formWlAc file. This vulnerability is triggered by manipulating the submit-url argument, which can be exploited remotely without user interaction or privileges. The vulnerability has been publicly disclosed and is assigned CVE-2026-93739 with a CVSS 4.0 base score of 9.4, reflecting critical severity. No vendor advisory or patch information is currently available.
Potential Impact
Successful exploitation of this vulnerability can lead to a buffer overflow condition, which may allow remote attackers to execute arbitrary code or cause denial of service on the affected device. Given the critical CVSS score and remote attack vector, the impact on affected devices is severe.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict remote access to the affected device and monitor for any suspicious activity related to the formWlAc function. Avoid exposing the device's management interface to untrusted networks.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-09-18T15:43:41.443Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6aadadd855bf5e2cf59428df
Added to database: 09/18/2026, 21:32:08 UTC
Last enriched: 09/18/2026, 21:46:32 UTC
Last updated: 09/18/2026, 22:12:48 UTC
Views: 12
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