CVE-2018-3949
CVE-2018-3949 is a high-severity vulnerability in Tp-link Tl-r600vpn Firmware with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 53% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-22.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 53% (99th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-22
- Affected product: Tp-link Tl-r600vpn Firmware
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2018-3949?
- 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.
- How severe is CVE-2018-3949?
- CVE-2018-3949 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2018-3949 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 53% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-3949?
- CVE-2018-3949 primarily affects Tp-link Tl-r600vpn Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2018-3949?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2018-3949 published?
- CVE-2018-3949 was published on 2018-12-01 and last updated on 2026-06-17.
References
Affected products (2)
- cpe:2.3:o:tp-link:tl-r600vpn_firmware:1.3.0:*:*:*:*:*:*:*
- cpe:2.3:o:tp-link:tl-r600vpn_firmware:1.2.3:*:*:*:*:*:*:*
More vulnerabilities in Tp-link Tl-r600vpn Firmware
- CVE-2018-3950 — High (CVSS 8.8): An exploitable remote code execution vulnerability exists in the ping and tracert functionality of the TP-Link…
- CVE-2018-3948 — High (CVSS 7.5): An exploitable denial-of-service vulnerability exists in the URI-parsing functionality of the TP-Link TL-R600VPN HTTP…
- CVE-2018-3951 — High (CVSS 7.2): An exploitable remote code execution vulnerability exists in the HTTP header-parsing function of the TP-Link TL-R600VPN…
All CVEs affecting Tp-link Tl-r600vpn Firmware →
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