Vulnerability · Published Nov 4, 2026 · Assigned by ASUS
CVE-2026-84730
High 8.7
In plain English
A high-severity stack buffer overflow in Router firmware from ASUS. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities).
Severity (CVSS 4.0)8.7High
Exploit odds (30 days)0.3%top 72.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Stack-based buffer overflow in certain ASUS Router firmware allows an unauthenticated nearby attacker to execute arbitrary commands with root privileges via a crafted device name. Refer to the ' Security Update for ASUS Router AiCloud Feature ' section on the ASUS Security Advisory for more information.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| ASUS | Router firmware | ASUSWRT 3.0.0.4_386 seriesASUSWRT 3.0.0.4_388 seriesASUSWRT 3.0.0.6_102 series |
Weakness: CWE-121 · Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N