Buffer overflow in Talos TP-Link
CVE-2018-3951
An exploitable remote code execution vulnerability exists in the HTTP header-parsing function of the TP-Link TL-R600VPN HTTP Server. A specially crafted HTTP request can cause a buffer overflow, resulting in remote code execution on the device. An attacker can send an authenticated HTTP request to trigger this vulnerability.
Vulnerability class: Buffer Overflow
EPSS: 0.039 (89.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Talos Tp-link — versions TP-Link TL-R600VPN HWv3 FRNv1.3.0
- Tp-link Tl-r600vpn
- Tp-link Tl-r600vpn_firmware
Weakness classification (CWE)
Public proof-of-concept exploits
References
- talos-cna@cisco.com (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2018-3951?
- CVE-2018-3951 is a high-severity vulnerability in Talos TP-Link, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.2/10. Published 2018-12-01.
- How severe is CVE-2018-3951?
- High severity. CVSS v3 base score is 7.2 out of 10.
- Is CVE-2018-3951 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.