CVE-2026-75775: ASUS Router (High, CVSS 7.7)

Adjacent Network
CVE-2026-75775HighASUS Router
CVSS
7.7 High (v4.0)
EPSS
0.6% chance of exploitation in the next 30 days (higher than 48.6% of CVEs)
Exploited in the wild
Not on CISA’s KEV list
Public exploit
None reported in public exploit databases
Weakness
CWE-78
Vector
CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Published
Oct 23, 2026

What it is

Improper Neutralization of Special Elements used in an OS Command in certain ASUS routers allows remote user to execute arbitrary commands with root privileges via crafted parameters sent to the router while the device is in its factory-default state.Refer to the ' Security Update for ASUS Router Firmware ' section on the ASUS Security Advisory for more information.

Description from the National Vulnerability Database.

What to do

Check whether you run ASUS Router, then apply the vendor’s fix or mitigation from the advisories below.

ThreatRoundup coverage

Sources: NVD, FIRST EPSS, CISA KEV, and public exploit databases (availability only). ThreatRoundup reports whether public exploit code exists but never links to it: fake proof-of-concepts that infect security researchers are common. This page updates automatically.