Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-93740— Totolink A3002MU formWlEncrypt buffer overflow

Quick assessment

Affected
Totolink A3002MU
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 Totolink A3002MU 设备（固件版本 Hh-B20211125.1046）中发现了一个漏洞。该漏洞位于文件 中的 函数，由于对参数 的操控不当，会导致缓冲区溢出。该攻击可远程发起。利用该漏洞的代码已公开，可能存在被滥用的风险。

CVSS 10.0 · Critical

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-93740

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Totolink A3002MU formWlEncrypt buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was identified in Totolink A3002MU Hh-B20211125.1046. Affected is the function formWlEncrypt of the file /boafrm/formWlEncrypt. The manipulation of the argument submit-url leads to buffer overflow. It is possible to initiate the attack remotely. The exploit is publicly available and might be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Totolink A3002MU Hh-B20211125.1046 cpe:2.3:a:totolink:a3002mu:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-93740

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-93740

请登录查看更多情报信息。

Proof of Concept for CVE-2026-93740 (1)

Other References for CVE-2026-93740 (1)

Same Patch Batch · Totolink · 2026-09-18 · 3 CVEs total

CVE-2026-93738 9.9 CRITICAL Totolink A3002MU formSchedule buffer overflow
CVE-2026-93739 9.9 CRITICAL Totolink A3002MU formWlAc buffer overflow

IV. Related Vulnerabilities

Same product: A3002MU
Same vendor: Totolink
Same weakness: CWE-120

V. Comments for CVE-2026-93740

No comments yet

Leave a comment