What is the CVSS score of CVE-2017-11344?

CVE-2017-11344 has a CVSS 3.0 base score of 7.8 (High). CVSS vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.5%.

Rt Ac5300 Firmware CVE-2017-11344

HIGH

Buffer Overflow (CWE-119)

2017-07-17 cve@mitre.org

Buffer Overflow RCE Rt Ac5300 Firmware Rt Ac1900P Firmware Rt Ac68U Firmware Rt Ac68P Firmware Rt Ac88U Firmware Rt Ac66U Firmware Rt Ac66U B1 Firmware Rt Ac58U Firmware Rt Ac56U Firmware Rt Ac55U Firmware Rt Ac52U Firmware Rt Ac51U Firmware Rt N18U Firmware Rt N66U Firmware Rt N56U Firmware Rt Ac3200 Firmware Rt Ac3100 Firmware Rt Ac1200Gu Firmware Rt Ac1200G Firmware Rt Ac1200 Firmware Rt Ac53 Firmware Rt N12Hp Firmware Rt N12Hp B1 Firmware Rt N12D1 Firmware Rt N12 Firmware Rt N12 Pro Firmware Rt N16 Firmware Rt N300 Firmware

7.8

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Jul 17, 2017 - 13:18 cve.org

HIGH 7.8

DescriptionCVE.org

Global buffer overflow 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 write shellcode at any address in the heap; this can be used to execute arbitrary code on the router by hosting a crafted device description XML document at a URL specified within a Location header in an SSDP response.

AnalysisAI

Global buffer overflow 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,. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Overflow (CWE-119), which allows attackers to corrupt memory to execute arbitrary code or crash the application. Global buffer overflow 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 write shellcode at any address in the heap; this can be used to execute arbitrary code on the router by hosting a crafted device description XML document at a URL specified within a Location header in an SSDP response. Affected products include: Asuswrt-Merlin Project Rt-Ac5300 Firmware, Asuswrt-Merlin Project Rt Ac1900P Firmware, Asuswrt-Merlin Project Rt-Ac68U Firmware, Asuswrt-Merlin Project Rt-Ac68P Firmware, Asuswrt-Merlin Project Rt-Ac88U Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use memory-safe languages or bounds-checking. Enable ASLR, DEP/NX, stack canaries. Use safe string functions.