CVE-2018-3949: An exploitable information disclosure vulnerability exists in the HTTP server functionality of the TP-Link TL-R600VPN.
- Is it exploited?
Reported, not confirmed by CISA. VulnCheck KEV lists it as exploited in the wild. CISA has not added it to its Known Exploited Vulnerabilities catalog as of .
VulnCheck KEV lists it since . It cites 8 public reports, the first from .
- How likely is exploitation in the next 30 days?
- 53.3%
EPSS score, percentile 99 of all scored records. A probability estimated by FIRST, not a report of exploitation.
- How severe?
- 7.5 High
CVSS v3.0 base score, given by the CNA
- What should I do?
CISA has set no required action, because the vulnerability is not in KEV.
The CVE record links no vendor advisory, patch or mitigation.
- Which versions are affected?
Affected
- TP-Link TL-R600VPN HWv3 FRNv1.3.0 TP-Link TL-R600VPN HWv2 FRNv1.2.3
Source: CISA KEV 2026.10.29, as of ; VulnCheck KEV, as of ; FIRST EPSS, as of ; CVE List, as of . About the data.
Description
An exploitable information disclosure vulnerability exists in the HTTP server functionality of the TP-Link TL-R600VPN. A specially crafted URL can cause a directory traversal, resulting in the disclosure of sensitive system files. An attacker can send either an unauthenticated or an authenticated web request to trigger this vulnerability.
Source: CVE List, as of . About the data.
What to do
Advisories and patches
The CVE record links no vendor advisory, patch or mitigation.
This summary is based on the CVE record as of . Check the vendor's advisory before you act: affected versions and fixes can change.
Affected products and versions
Versions by product, as listed in the CVE record (1 product)
| Status | Versions |
|---|---|
| Affected | TP-Link TL-R600VPN HWv3 FRNv1.3.0 TP-Link TL-R600VPN HWv2 FRNv1.2.3 |
Source: CVE List, as of . About the data.
Timeline
| Date | Event |
|---|---|
| CVE record published | |
| CVE record last updated |