CVE-2017-11420: Buffer Overflow
Stack-based buffer overflow in ASUSDiscovery.c in networkmap in Asuswrt-Merlin firmware for ASUS devices and ASUS firmware for ASUS RT-AC5300, RTAC1900P, RT-AC68U, RT-AC68P, RT-AC88U, RT-AC66U, RT-AC66UB1, RT-AC58U, RT-AC56U, RT-AC55U, RT-AC52U, RT-AC51U, RT-N18U, RT-N66U, RT-N56U, RT-AC3200, RT-AC3100, RTAC1200GU, RTAC1200G, RT-AC1200, RT-AC53, RT-N12HP, RT-N12HPB1, RT-N12D1, RT-N12+, RTN12+PRO, RT-N16, and RT-N300 devices allows remote attackers to execute arbitrary code via long device information that is mishandled during a strcat to a device list.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2017-11420?
CVE-2017-11420 is classified as a high severity vulnerability due to the potential for remote code execution resulting from a stack-based buffer overflow.
How do I fix CVE-2017-11420?
To fix CVE-2017-11420, users should update their ASUS devices running affected firmware versions to the latest available firmware that addresses this vulnerability.
Which ASUS devices are impacted by CVE-2017-11420?
CVE-2017-11420 affects various ASUS devices including RT-AC5300, RT-AC1900P, RT-AC68U, and several others running specific versions of Asuswrt-Merlin firmware.
What symptoms indicate exploitation of CVE-2017-11420?
Symptoms of exploitation of CVE-2017-11420 may include unexpected device behavior, crashes, or unauthorized access to the network.
Is there a workaround for CVE-2017-11420 aside from updating?
While updating is the most effective solution for CVE-2017-11420, users can reduce exposure by disabling remote management features if they are not needed.