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CVE-2026-93738— Totolink A3002MU formSchedule 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 固件版本 Hh-B20211125.1046 中发现了一个安全漏洞。该漏洞位于文件 /boafrm/formSchedule 中的 formSchedule 函数。攻击者通过操控参数 webpage 可触发缓冲区溢出漏洞。该攻击可远程实施，且利用代码已公开，可能被攻击者利用。

CVSS 9.9 · Critical
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I. Basic Information for CVE-2026-93738

Vulnerability Information
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Vulnerability Title
Totolink A3002MU formSchedule buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Totolink A3002MU Hh-B20211125.1046. This affects the function formSchedule of the file /boafrm/formSchedule. Performing a manipulation of the argument webpage results in buffer overflow. The attack is possible to be carried out remotely. The exploit has been made public and could be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/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-2026-93738

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III. Intelligence Information for CVE-2026-93738

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Other References for CVE-2026-93738 (1)

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

CVE-2026-93740 10.0 CRITICAL Totolink A3002MU formWlEncrypt 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-2026-93738

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