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CRITICAL · 9.8

CVE-2017-11420

Stack-based buffer overflow in ASUS_Discovery.c in networkmap in Asuswrt-Merlin firmware for ASUS devices and ASUS firmware for ASUS RT-AC5300, RT_AC1900P, RT-AC68U, RT-AC68P, RT-AC88U, RT-AC66U, RT-A...

Vulnerability Description

Stack-based buffer overflow in ASUS_Discovery.c in networkmap in Asuswrt-Merlin firmware for ASUS devices and ASUS firmware for ASUS RT-AC5300, RT_AC1900P, RT-AC68U, RT-AC68P, RT-AC88U, RT-AC66U, RT-AC66U_B1, RT-AC58U, RT-AC56U, RT-AC55U, RT-AC52U, RT-AC51U, RT-N18U, RT-N66U, RT-N56U, RT-AC3200, RT-AC3100, RT_AC1200GU, RT_AC1200G, RT-AC1200, RT-AC53, RT-N12HP, RT-N12HP_B1, RT-N12D1, RT-N12+, RT_N12+_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.

CVSS Score

9.8

CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
Asuswrt-Merlin ProjectRt-Ac5300 Firmware<= 3.0.0.4.380.7743
Asuswrt-Merlin ProjectRt-Ac5300-
Asuswrt-Merlin ProjectRt Ac1900P Firmware<= 3.0.0.4.380.7743
Asuswrt-Merlin ProjectRt Ac1900P -
Asuswrt-Merlin ProjectRt-Ac68U Firmware<= 3.0.0.4.380.7743
Asuswrt-Merlin ProjectRt-Ac68U-
Asuswrt-Merlin ProjectRt-Ac68P Firmware<= 3.0.0.4.380.7743
Asuswrt-Merlin ProjectRt-Ac68P-
Asuswrt-Merlin ProjectRt-Ac88U Firmware<= 3.0.0.4.380.7743
Asuswrt-Merlin ProjectRt-Ac88U-
Asuswrt-Merlin ProjectRt-Ac66U Firmware<= 3.0.0.4.380.7743
Asuswrt-Merlin ProjectRt-Ac66U-
Asuswrt-Merlin ProjectRt-Ac66U B1 Firmware<= 3.0.0.4.380.7743
Asuswrt-Merlin ProjectRt-Ac66U B1-
Asuswrt-Merlin ProjectRt-Ac58U Firmware<= 3.0.0.4.380.7485
Asuswrt-Merlin ProjectRt-Ac58U-
Asuswrt-Merlin ProjectRt-Ac56U Firmware<= 3.0.0.4.380.7743
Asuswrt-Merlin ProjectRt-Ac56U-
Asuswrt-Merlin ProjectRt-Ac55U Firmware<= 3.0.0.4.380.7378
Asuswrt-Merlin ProjectRt-Ac55U-

Related Weaknesses (CWE)

CWE-119

References

FAQ

What is CVE-2017-11420?

CVE-2017-11420 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Stack-based buffer overflow in ASUS_Discovery.c in networkmap in Asuswrt-Merlin firmware for ASUS devices and ASUS firmware for ASUS RT-AC5300, RT_AC1900P, RT-AC68U, RT-AC68P, RT-AC88U, RT-AC66U, RT-A...

How severe is CVE-2017-11420?

CVE-2017-11420 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2017-11420?

Check the references section above for vendor advisories and patch information. Affected products include: Asuswrt-Merlin Project Rt-Ac5300 Firmware, Asuswrt-Merlin Project Rt-Ac5300, Asuswrt-Merlin Project Rt Ac1900P Firmware, Asuswrt-Merlin Project Rt Ac1900P , Asuswrt-Merlin Project Rt-Ac68U Firmware.