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CVE-2026-85384— Authenticated Stack-Based Buffer Overflow in RE210 AC750 Configuration Import

Quick assessment

Affected
TP-Link Systems Inc. RE210 AC750
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.

TP-Link RE210 AC750是中国TP-Link公司的一款WiFi信号扩展器。 TP-Link RE210 AC750 3.14.2 Build 141218 Rel.36430n (EU)及之前版本和3.14.2 Build 171205 Rel.71984n (US)及之前版本存在缓冲区错误漏洞，该漏洞源于httpd组件中的splitString函数在处理上传的配置文件时边界检查不当，可能导致栈缓冲区溢出，造成远程代码执行，并可能允许攻击者未授权访问敏感信息、修改设备配置和网络行为或破坏设备

CVSS 8.5 · High EPSS 0.32% · P25

Affected Version Matrix 2

VendorProduct Version RangeStatus
TP-Link Systems Inc. RE210 AC750 ≤ 3.14.2 Build 141218 Rel.36430n (EU) affected
≤ 3.14.2 Build 171205 Rel.71984n (US) affected
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I. Basic Information for CVE-2026-85384

Vulnerability Information
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Vulnerability Title
Authenticated Stack-Based Buffer Overflow in RE210 AC750 Configuration Import
Source: CVE Program / CVE List V5
Vulnerability Description
A stack-based buffer overflow vulnerability exists in the httpd component of RE210 AC750 due to improper bounds checking in the splitString function when processing an uploaded configuration file. An authenticated attacker on the local network can upload a crafted configuration file to trigger the overflow, leading to remote code execution. Successful exploitation may allow unauthorized access to sensitive information, modification of device configuration and network behavior, or disruption of device availability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
TP-Link RE210 AC750 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TP-Link RE210 AC750是中国TP-Link公司的一款WiFi信号扩展器。 TP-Link RE210 AC750 3.14.2 Build 141218 Rel.36430n (EU)及之前版本和3.14.2 Build 171205 Rel.71984n (US)及之前版本存在缓冲区错误漏洞，该漏洞源于httpd组件中的splitString函数在处理上传的配置文件时边界检查不当，可能导致栈缓冲区溢出，造成远程代码执行，并可能允许攻击者未授权访问敏感信息、修改设备配置和网络行为或破坏设备
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
TP-Link Systems Inc. RE210 AC750 0 ~ 3.14.2 Build 141218 Rel.36430n (EU) -

II. Public POCs for CVE-2026-85384

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III. Intelligence Information for CVE-2026-85384

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Vendor Pages for CVE-2026-85384 (1)

IV. Related Vulnerabilities

Same vendor: TP-Link Systems Inc.
Same weakness: CWE-121