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CVE-2024-2486— Tenda AC18 QuickIndex formQuickIndex stack-based overflow

Quick assessment

Affected
Tenda AC18
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Tenda AC18是中国腾达（Tenda）公司的一款路由器。 Tenda AC18 V15.03.05.05 版本存在安全漏洞，该漏洞源于 /goform/QuickIndex 文件的 formQuickIndex 功能的 PPPOEPassword 参数存在基于堆栈的缓冲区溢出。

CVSS 8.8 · High EPSS 1.56% · P73

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2024-2486

Vulnerability Information
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Vulnerability Title
Tenda AC18 QuickIndex formQuickIndex stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Tenda AC18 15.03.05.05. It has been classified as critical. This affects the function formQuickIndex of the file /goform/QuickIndex. The manipulation of the argument PPPOEPassword leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-256893 was assigned to this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Tenda AC18 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda AC18是中国腾达（Tenda）公司的一款路由器。 Tenda AC18 V15.03.05.05 版本存在安全漏洞，该漏洞源于 /goform/QuickIndex 文件的 formQuickIndex 功能的 PPPOEPassword 参数存在基于堆栈的缓冲区溢出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Tenda AC18 15.03.05.05 -

II. Public POCs for CVE-2024-2486

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Qwen3.6-35B-A3B · 7332 chars
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Trigger conditions & impact
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Exploit chain & mitigation
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III. Intelligence Information for CVE-2024-2486

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Vendor Advisories for CVE-2024-2486 (1)

Other References for CVE-2024-2486 (1)

Same Patch Batch · Tenda · 2024-03-15 · 6 CVEs total

CVE-2024-2485 8.8 HIGH Tenda AC18 SetSpeedWan formSetSpeedWan stack-based overflow
CVE-2024-2487 8.8 HIGH Tenda AC18 SetOnlineDevName formSetDeviceName stack-based overflow
CVE-2024-2488 8.8 HIGH Tenda AC18 SetPptpServerCfg formSetPPTPServer stack-based overflow
CVE-2024-2489 8.8 HIGH Tenda AC18 SetNetControlList formSetQosBand stack-based overflow
CVE-2024-2490 8.8 HIGH Tenda AC18 openSchedWifi setSchedWifi stack-based overflow

IV. Related Vulnerabilities

Same product: AC18
Same vendor: Tenda
Same weakness: CWE-121

V. Comments for CVE-2024-2486

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