CVE-2018-15701 Denial of service in TP-Link TL-WRN841N
An unauthenticated LAN user can cause a denial of service on TP-Link routers by sending a crafted HTTP header with an unexpected Cookie field.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-15701?
CVE-2018-15701 is a medium-severity denial of service vulnerability in TP-Link TL-WRN841N, published on 1 Oct 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The web interface in TP-Link TL-WRN841N 0.9.1 4.16 v0348.0 is vulnerable to a denial of service when an unauthenticated LAN user sends a crafted HTTP header containing an unexpected Cookie field.
Weakness: CWE-20
Which versions are affected by CVE-2018-15701?
It affects 1 product.
Products include Tp-Link Tl-Wrn841n Firmware.
How do I fix CVE-2018-15701?
No fix has been published for CVE-2018-15701 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2018-15701 being exploited?
There is no known exploitation of CVE-2018-15701 in the wild and no public exploit code.
Other vulnerabilities in TP-Link TL-WRN841N
Sources
Also known as GHSA-7xx8-q94h-j3c8.