CVE-2019-6015 Denial of service in FON2601E-SE, FON2601E-RE, FON2601E-FSW-S, and FON2601E-FSW-B
FON routers act as open resolvers, allowing attackers to use them for DNS amplification attacks against third parties.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-6015?
CVE-2019-6015 is a high-severity denial of service vulnerability in FON2601E-SE, FON2601E-RE, FON2601E-FSW-S, and FON2601E-FSW-B, published on 4 Oct 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
FON2601E-SE, FON2601E-RE, FON2601E-FSW-S, and FON2601E-FSW-B with firmware versions 1.1.7 and earlier contain an issue where they may behave as open resolvers. If this vulnerability is exploited, FON routers may be leveraged for DNS amplification attacks to some other entities.
Weakness: CWE-400
Which versions are affected by CVE-2019-6015?
It affects 4 products.
Products include Fon Fon2601e-Fsw-B Firmware, Fon Fon2601e-Fsw-S Firmware, Fon Fon2601e-Re Firmware, Fon Fon2601e-Se Firmware.
How do I fix CVE-2019-6015?
No fix has been published for CVE-2019-6015 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-2019-6015 being exploited?
There is no known exploitation of CVE-2019-6015 in the wild and no public exploit code.
Sources
Also known as GHSA-88x6-gq74-9xxv.