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CVE-2025-11324— Tenda AC18 setNotUpgrade 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 15.03.05.19版本存在安全漏洞，该漏洞源于对文件/goform/setNotUpgrade中参数newVersion的错误操作，可能导致栈缓冲区溢出。

CVSS 8.8 · High EPSS 0.76% · P53
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I. Basic Information for CVE-2025-11324

Vulnerability Information
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Vulnerability Title
Tenda AC18 setNotUpgrade stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was identified in Tenda AC18 15.03.05.19(6318). Affected by this vulnerability is an unknown functionality of the file /goform/setNotUpgrade. Such manipulation of the argument newVersion leads to stack-based buffer overflow. The attack can be executed 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: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 15.03.05.19版本存在安全漏洞，该漏洞源于对文件/goform/setNotUpgrade中参数newVersion的错误操作，可能导致栈缓冲区溢出。
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 15.03.05.19(6318) cpe:2.3:o:tenda:ac18_firmware:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2025-11324

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 8780 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2025-11324

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News Coverage for CVE-2025-11324 (1)

Same Patch Batch · Tenda · 2025-10-06 · 5 CVEs total

CVE-2025-11328 8.8 HIGH Tenda AC18 SetDDNSCfg stack-based overflow
CVE-2025-11327 8.8 HIGH Tenda AC18 SetUpnpCfg stack-based overflow
CVE-2025-11326 8.8 HIGH Tenda AC18 WifiMacFilterSet stack-based overflow
CVE-2025-11325 8.8 HIGH Tenda AC18 fast_setting_pppoe_set stack-based overflow

IV. Related Vulnerabilities

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

V. Comments for CVE-2025-11324

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