CVE-2018-3950
CVE-2018-3950 is a high-severity vulnerability in Tp-link Tl-r600vpn Firmware with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 6.5
- EPSS exploit prediction: 3% (85th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Tp-link Tl-r600vpn Firmware
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2018-3950?
- 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.
- How severe is CVE-2018-3950?
- CVE-2018-3950 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2018-3950 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-3950?
- CVE-2018-3950 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-2018-3950?
- 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-2018-3950 published?
- CVE-2018-3950 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-2018-3949 — High (CVSS 7.5): An exploitable information disclosure vulnerability exists in the HTTP server functionality of the TP-Link TL-R600VPN.…
- 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…
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