Description
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.
References (2)
Core 2
Core References
Product x_refsource_misc
https://www.asus.com/Networking/RTAC66U/HelpDesk_BIOS
Exploit, Third Party Advisory x_refsource_misc
https://pagedout.institute/download/PagedOut_001_beta1.pdf
Scores
CVSS v3
9.8
EPSS
0.3201
EPSS Percentile
96.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-787
Status
published
Products (1)
asus/rt-ac66u_firmware
< 3.0.0.4.382.50470
Published
Nov 21, 2019
Tracked Since
Feb 18, 2026