CVE-2026-14911 Cross-site scripting in Router
Remote attackers can execute scripts to read data, modify settings, or cause denial-of-service on ASUS routers when authenticated users visit crafted URLs.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-14911?
CVE-2026-14911 is a critical cross-site scripting vulnerability in ASUS Router, published on 7 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Improper Neutralization of Input During Web Page Generation (“Cross-site Scripting”) in ASUS router modules allows a remote attacker to read DOM information, modify router settings, and cause a denial-of-service condition when an authenticated user visits a crafted URL.Refer to the ' Security Update for ASUS Router Firmware ' section on the ASUS Security Advisory for more information.
Weakness: CWE-79
Which versions are affected by CVE-2026-14911?
How do I fix CVE-2026-14911?
No fix has been published for CVE-2026-14911 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-14911 being exploited?
There is no known exploitation of CVE-2026-14911 in the wild and no public exploit code.
Sources
Also known as GHSA-hxj2-954q-rw24.