CVE-2025-53715— TP-Link TL-WR841N Wan6to4TunnelCfgRpm.htm buffer overflow
Quick assessment
Affected
TP-Link Systems INC. TL-WR841N V11
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）公司的一款无线路由器。 TP-LINK TL-WR841N V11版本存在安全漏洞，该漏洞源于/userRpm/Wan6to4TunnelCfgRpm.htm文件输入参数验证不足，可能导致缓冲区溢出和拒绝服务。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-53715
Vulnerability Information
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Vulnerability Title
TP-Link TL-WR841N Wan6to4TunnelCfgRpm.htm buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in TP-Link TL-WR841N V11. The vulnerability exists in the /userRpm/Wan6to4TunnelCfgRpm.htm file due to missing input parameter validation, which may lead to the buffer overflow to cause a crash of the web service and result in a denial-of-service (DoS) condition. The attack may be launched remotely. This vulnerability only affects products that are no longer supported by the maintainer.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
内存缓冲区边界内操作的限制不恰当
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）公司的一款无线路由器。 TP-LINK TL-WR841N V11版本存在安全漏洞，该漏洞源于/userRpm/Wan6to4TunnelCfgRpm.htm文件输入参数验证不足，可能导致缓冲区溢出和拒绝服务。
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 V11 | 0 ~ 160325 | - |
|
II. Public POCs for CVE-2025-53715
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · TP-Link Systems INC. · 2025-07-29 · 5 CVEs total
| CVE-2025-53714 | TP-Link TL-WR841N WzdWlanSiteSurveyRpm_AP.htm buffer overflow | |
| CVE-2025-53713 | TP-Link TL-WR841N WlanNetworkRpm_APC.htm buffer overflow | |
| CVE-2025-53711 | TP-Link TL-WR841N, TL-WR842ND and TL-WR949N WlanNetworkRpm.htm buffer overflow | |
| CVE-2025-53712 | TP-Link TL-WR841N WlanNetworkRpm_AP.htm buffer overflow |
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V. Comments for CVE-2025-53715
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