CVE-2025-15541— Access to System Files via SFTP on TP-Link VX800v
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I. Basic Information for CVE-2025-15541
Vulnerability Information
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Vulnerability Title
Access to System Files via SFTP on TP-Link VX800v
Source: NVD (National Vulnerability Database)
Vulnerability Description
Improper link resolution in the VX800v v1.0 SFTP service allows authenticated adjacent attackers to use crafted symbolic links to access system files, resulting in high confidentiality impact and limited integrity risk.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
在文件访问前对链接解析不恰当(链接跟随)
Source: NVD (National Vulnerability Database)
Vulnerability Title
TP-Link VX800v 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TP-Link VX800v是中国普联（TP-Link）公司的一款VoIP网关。 TP-Link VX800v 1.0版本存在安全漏洞，该漏洞源于SFTP服务链接解析不当，可能导致经过身份验证的相邻攻击者使用特制符号链接访问系统文件。
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. | VX800v v1.0 | 0 ~ 800.0.11 (0.11.0 3.0.0 v603c.0 Build 250702) | - |
II. Public POCs for CVE-2025-15541
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · TP-Link Systems Inc. · 2026-01-29 · 7 CVEs total
| CVE-2025-15545 | Insufficient Backup File Upload Input Validation on TP-Link Archer RE605X | |
| CVE-2026-1457 | Authenticated RCE Vulnerability Due to Buffer Overflow on TP-Link VIGI C385 | |
| CVE-2025-15548 | Missing Application-Layer Encryption in Web Interface Endpoints on TP-Link VX800v | |
| CVE-2025-15543 | Read-Only Root Access via USB Storage Device in TP-Link VX800v | |
| CVE-2025-15542 | Denial of Service (DoS) of VoIP Communication on TP-Link VX800v | |
| CVE-2025-13399 | Insecure Encryption in Communication with the Web Interface on TP-Link VX800v |
IV. Related Vulnerabilities
Same product: VX800v v1.0
Same vendor: TP-Link Systems Inc.
- CVE-2026-5039
Predictable Default Cryptographic Key Used for DES Encryptio - CVE-2026-5363
Use of weak cryptographic key in TP-Link Archer C7 - CVE-2026-30818
OS Command Injection Vulnerability in dnsmasq Module in TP-L - CVE-2026-30817
Arbitrary File Reading Vulnerability in dnsmasq Module in TP - CVE-2026-30816
Arbitrary File Reading Vulnerability in OpenVPN Module in TP
Same weakness: CWE-59
- CVE-2021-47949
CyberPanel 2.1 Authenticated Remote Code Execution via Symli - CVE-2026-41882
JetBrains IntelliJ IDEA 后置链接漏洞 - CVE-2026-27105
Dell Alienware Purchased Apps 后置链接漏洞 - CVE-2026-5161
Improper Authentication in TUBITAK BILGEM's Pardus About - CVE-2026-41397
OpenClaw < 2026.3.31 - Sandbox Escape via Unrestricted File
V. Comments for CVE-2025-15541
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