CVE-2026-93739 Details
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.
A buffer overflow vulnerability has been identified in the TOTOLINK A3002MU router, specifically in the firmware version Hh-B20211125.1046. The issue arises in the web server's 'formWlAc' function, located in the file '/boafrm/formWlAc'. The vulnerability allows remote attackers to manipulate the 'submit-url' parameter, leading to a buffer overflow condition. This exploitation causes the router's web service to become unresponsive, creating a denial-of-service situation.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Sep 18, 2026CISA-ADP
Assessed Sep 23, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/ToTolink/A3002MU/bof-formWlAc.md | [email protected] | ExploitTechnical Analysis |
| https://vuldb.com/cve/CVE-2026-93739 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/submit/914018 | [email protected] | Issue TrackingPermission Required |
| https://vuldb.com/vuln/407549 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/vuln/407549/cti | [email protected] | Content Wall |
| https://www.totolink.net/ | [email protected] | Vendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | [email protected] |
| CWE-120 | Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| TOTOLINK A3002MU | Hh-B20211125.1046 |
CPE
Remediation
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Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 23, 2026 | CVE Modified | CISA-ADP |
| Sep 18, 2026 | New CVE Received | [email protected] |