CVE-2025-9014— Null Pointer Dereference Vulnerability on TL-WR841N
Quick assessment
Affected
TP-Link Systems Inc. TL-WR841N v14
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 TL-WR841N是中国普联（TP-Link）公司的一款路由器。 TP-Link TL-WR841N v14 250908之前版本存在安全漏洞，该漏洞源于对referer标头输入验证不当，可能导致拒绝服务。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2025-9014
Vulnerability Information
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Vulnerability Title
Null Pointer Dereference Vulnerability on TL-WR841N
Source: CVE Program / CVE List V5
Vulnerability Description
A Null Pointer Dereference vulnerability exists in the referer header check of the web portal of TP-Link TL-WR841N v14, caused by improper input validation. A remote, unauthenticated attacker can exploit this flaw and cause Denial of Service on the web portal service.This issue affects TL-WR841N v14: before 250908.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
TP-Link TL-WR841N 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TP-Link TL-WR841N是中国普联（TP-Link）公司的一款路由器。 TP-Link TL-WR841N v14 250908之前版本存在安全漏洞，该漏洞源于对referer标头输入验证不当，可能导致拒绝服务。
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. | TL-WR841N v14 | 0 ~ 250908 | - |
|
II. Public POCs for CVE-2025-9014
| # | POC Description | Source Link | Shenlong Link |
|---|
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V. Comments for CVE-2025-9014
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