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CVE-2025-14739— Uninitialized Pointer Vulnerability in TP-Link WR940N and WR941ND

Quick assessment

Affected
TP-Link Systems Inc. WR940N and WR941ND
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 WR940N是中国普联（TP-Link）公司的一款无线路由器。 TP-Link WR940N 3.20.1 Build 200316及之前版本存在安全漏洞，该漏洞源于未初始化指针访问，可能导致拒绝服务和执行任意代码。

AI Predicted 8.8 Difficulty: Hard EPSS 0.21% · P11
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I. Basic Information for CVE-2025-14739

Vulnerability Information
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Vulnerability Title
Uninitialized Pointer Vulnerability in TP-Link WR940N and WR941ND
Source: CVE Program / CVE List V5
Vulnerability Description
Access of Uninitialized Pointer vulnerability in TP-Link WR940N and WR941ND allows local unauthenticated attackers the ability to execute DoS attack and potentially arbitrary code execution under the context of the ‘root’ user.This issue affects WR940N and WR941ND: ≤ WR940N v5 3.20.1 Build 200316, ≤ WR941ND v6 3.16.9 Build 151203.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Source: CVE Program / CVE List V5
Vulnerability Type
使用未经初始化的指针
Source: CVE Program / CVE List V5
Vulnerability Title
TP-Link WR940N 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TP-Link WR940N是中国普联（TP-Link）公司的一款无线路由器。 TP-Link WR940N 3.20.1 Build 200316及之前版本存在安全漏洞，该漏洞源于未初始化指针访问，可能导致拒绝服务和执行任意代码。
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. WR940N and WR941ND 0 ~ WR940N v5 3.20.1 Build 200316 -

II. Public POCs for CVE-2025-14739

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III. Intelligence Information for CVE-2025-14739

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Security Blog Posts for CVE-2025-14739 (1)

Other References for CVE-2025-14739 (3)

Same Patch Batch · TP-Link Systems Inc. · 2025-12-18 · 3 CVEs total

CVE-2025-14738 Configuration Disclosure Vulnerability in TP-Link WA850RE
CVE-2025-14737 Command Injection Vulnerability in TP-Link WA850RE

IV. Related Vulnerabilities

Same vendor: TP-Link Systems Inc.
Same weakness: CWE-824

V. Comments for CVE-2025-14739

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