CVE-2018-3950 Memory corruption in TP-Link
An authenticated attacker can trigger a stack overflow via crafted IP input in ping/tracert features, leading to remote code execution on TP-Link routers.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-3950?
CVE-2018-3950 is a high-severity memory corruption vulnerability in Talos TP-Link, published on 1 Dec 2018. An attacker needs administrator access to exploit it, with no action from the victim.
Official 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.
Weakness: CWE-787
Which versions are affected by CVE-2018-3950?
It affects 1 product.
Products include Tp-Link Tl-R600vpn Firmware.
How do I fix CVE-2018-3950?
No fix has been published for CVE-2018-3950 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2018-3950 being exploited?
There is no known exploitation of CVE-2018-3950 in the wild and no public exploit code.
Other vulnerabilities in Talos TP-Link
Sources
Also known as GHSA-pjrc-7xrw-gxwr.