CVE-2018-8879

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Stack-based buffer overflow in Asuswrt-Merlin firmware for ASUS devices older than 384.4 and ASUS firmware before 3.0.0.4.382.50470 for devices allows remote attackers to execute arbitrary code by providing a long string to the blocking.asp page via a GET or POST request. Vulnerable parameters are flag, mac, and cat_id.

Un desbordamiento de búfer en la región stack de la memoria en el firmware Asuswrt-Merlin para dispositivos ASUS versiones anteriores a 384.4 y el firmware ASUS versiones anteriores a 3.0.0.4.382.50470 para dispositivos, permite a atacantes remotos ejecutar código arbitrario al proporcionar una cadena larga en la página block.asp por medio de una petición GET o POST. Los parámetros vulnerables son flag, mac y cat_id.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-03-20 CVE Reserved
2019-11-21 CVE Published
2023-10-28 EPSS Updated
2024-08-05 CVE Updated
2024-08-05 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-787: Out-of-bounds Write

CAPEC

References (2)

URL	Tag	Source
https://www.asus.com/Networking/RTAC66U/HelpDesk_BIOS	Product

URL	Date	SRC
https://pagedout.institute/download/PagedOut_001_beta1.pdf	2024-08-05

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Asus Search vendor "Asus"	Rt-ac66u Firmware Search vendor "Asus" for product "Rt-ac66u Firmware"	< 3.0.0.4.382.50470 Search vendor "Asus" for product "Rt-ac66u Firmware" and version " < 3.0.0.4.382.50470"	-	Affected	in	Asus Search vendor "Asus"	Rt-ac66u Search vendor "Asus" for product "Rt-ac66u"	-	-	Safe