Out-of-bounds write in Talos TP-Link
Priority MEDIUM 43CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
An exploitable remote code execution vulnerability exists in the ping and tracert functionality of the TP-Link TL-R600VPN HWv3 FRNv1.3.0 and HWv2 FRNv1.2.3 http server. A specially crafted IP address can cause a stack overflow, resulting in remote code execution. An attacker can send a single authenticated HTTP request to trigger this vulnerability.
Why it matters now
EPSS 0.02917 87th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Talos | TP-Link | TP-Link TL-R600VPN HWv3 FRNv1.3.0 TP-Link TL-R600VPN HWv2 FRNv1.2.3 | — | No fix listed | CNA |
- TP-Link VendorTalos Affected TP-Link TL-R600VPN HWv3 FRNv1.3.0 TP-Link TL-R600VPN HWv2 FRNv1.2.3 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:tp-link:tl-r600vpn_firmware:1.3.0:*:*:*:*:*:*:* | 1.3.0 | Vulnerable | TP-Link |
| cpe:2.3:h:tp-link:tl-r600vpn:3:*:*:*:*:*:*:* | 3 | Running on | TP-Link |
| cpe:2.3:o:tp-link:tl-r600vpn_firmware:1.2.3:*:*:*:*:*:*:* | 1.2.3 | Vulnerable | TP-Link |
| cpe:2.3:h:tp-link:tl-r600vpn:2:*:*:*:*:*:*:* | 2 | Running on | TP-Link |
- cpe:2.3:o:tp-link:tl-r600vpn_firmware:1.3.0:*:*:*:*:*:*:* Versions 1.3.0 Vulnerable ·TP-Link
- cpe:2.3:h:tp-link:tl-r600vpn:3:*:*:*:*:*:*:* Versions 3 Running on ·TP-Link
- cpe:2.3:o:tp-link:tl-r600vpn_firmware:1.2.3:*:*:*:*:*:*:* Versions 1.2.3 Vulnerable ·TP-Link
- cpe:2.3:h:tp-link:tl-r600vpn:2:*:*:*:*:*:*:* Versions 2 Running on ·TP-Link
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-3950
- 2026-10-03 Alias added: GHSA-pjrc-7xrw-gxwr
References
More TP-Link Tl-r600vpn Firmware vulnerabilities
- TI-2018-02917 Path traversal in Talos TP-Link CVSS 3.1HIGH 7.5
- TI-2018-02916 Improper input validation in TP-Link CVSS 3.1HIGH 7.5
- TI-2018-02919 Memory corruption in Talos TP-Link CVSS 3.1HIGH 7.2
Sources
- CVE-2018-3950 · CVE Program
- CVE-2018-3950 · NVD
- FIRST EPSS
- GHSA-pjrc-7xrw-gxwr · 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