CVE-2025-6151— TP-Link TL-WR940N, TL-WR841N WanSlaacCfgRpm.htm buffer overflow
Quick assessment
Affected
TP-Link Systems INC. TL-WR940N V4
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-WR940N是中国普联（TP-LINK）公司的一款无线路由器。 TP-LINK TL-WR940N V4版本存在安全漏洞，该漏洞源于/userRpm/WanSlaacCfgRpm.htm文件中dnsserver1参数操作导致缓冲区溢出。
Possible ATT&CK Techniques 2 AI
T1068 · Exploitation for Privilege Escalation T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-6151
Vulnerability Information
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Vulnerability Title
TP-Link TL-WR940N, TL-WR841N WanSlaacCfgRpm.htm buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in
TP-Link TL-WR940N V4 and TL-WR841N V11. Affected by this issue is some unknown
functionality of the file /userRpm/WanSlaacCfgRpm.htm, which may lead to buffer overflow. 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:H
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
TP-LINK TL-WR940N 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TP-LINK TL-WR940N是中国普联（TP-LINK）公司的一款无线路由器。 TP-LINK TL-WR940N V4版本存在安全漏洞，该漏洞源于/userRpm/WanSlaacCfgRpm.htm文件中dnsserver1参数操作导致缓冲区溢出。
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 |
|---|---|---|---|---|
| TP-Link Systems INC. | TL-WR940N V4 | 0 ~ 160617 | - |
|
| TP-Link Systems INC. | TL-WR841N V11 | 0 ~ 160325 | - |
|
II. Public POCs for CVE-2025-6151
| # | POC Description | Source Link | Shenlong Link |
|---|
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V. Comments for CVE-2025-6151
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