Access to System Files via SFTP on TP-Link VX800v
Key facts
- Attack vector
- Adjacent network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- High · Low · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| TP-Link | VX800v v1.0 | before 800.0.11 (0.11.0 3.0.0 v603c.0 Build 250702) | 800.0.11 (0.11.0 3.0.0 v603c.0 Build 250702) | Patch available | CNA |
- VX800v v1.0 VendorTP-Link Affected before 800.0.11 (0.11.0 3.0.0 v603c.0 Build 250702) Fixed in 800.0.11 (0.11.0 3.0.0 v603c.0 Build 250702) Patch available CNA
Remediation
- Fix · CNA VX800v v1.0 (TP-Link Systems Inc.) Fixed in 800.0.11 (0.11.0 3.0.0 v603c.0 Build 250702)
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
TP-Link Systems VX800v v1.0 — tp-link.com/us/support/faq/4930
5 records Highest priority Priority LOW 5 LOW
Other records, highest priority first
- TI-2025-12249 Insecure Encryption in Communication with the Web Interface on TP-Link VX800vPriority LOW 35
- TI-2025-14181 Denial of Service (DoS) of VoIP Communication on TP-Link VX800vPriority LOW 28
- TI-2025-14187 Missing Application-Layer Encryption in Web Interface Endpoints on TP-Link VX800vPriority LOW 23
Timeline
- 2026-10-02 Threatist record created from CVE-2025-15541
- 2026-10-03 Alias added: GHSA-hx96-pcc2-pxx9
References
More TP-Link Vx800v Firmware vulnerabilities
- TI-2025-12249 Insecure Encryption in Communication with the Web Interface on TP-Link VX800v CVSS 4.0HIGH 7.7
- TI-2025-14181 Denial of Service (DoS) of VoIP Communication on TP-Link VX800v CVSS 4.0MEDIUM 6.3
- TI-2025-14187 Missing Application-Layer Encryption in Web Interface Endpoints on TP-Link VX800v CVSS 4.0MEDIUM 5.3
- TI-2025-14182 Read-Only Root Access via USB Storage Device in TP-Link VX800v CVSS 4.0MEDIUM 5.1
Sources
- CVE-2025-15541 · CVE Program
- CVE-2025-15541 · NVD
- FIRST EPSS
- GHSA-hx96-pcc2-pxx9 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences