CVE-2022-45441 Cross-site scripting in NBG-418N v2 firmware
An attacker can inject malicious scripts into the router's log page, causing a denial-of-service condition for authenticated users who view the logs.
- 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-2022-45441?
CVE-2022-45441 is a medium-severity cross-site scripting vulnerability in Zyxel NBG-418N v2 firmware, published on 7 Feb 2023. 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
A cross-site scripting (XSS) vulnerability in Zyxel NBG-418N v2 firmware versions prior to V1.00(AARP.13)C0, which could allow an attacker to store malicious scripts in the Logs page of the GUI on a vulnerable device. A successful XSS attack could force an authenticated user to execute the stored malicious scripts and then result in a denial-of-service (DoS) condition when the user visits the Logs page of the GUI on the device.
Weakness: CWE-79
Which versions are affected by CVE-2022-45441?
It affects 1 product.
Products include Zyxel Nbg-418n Firmware.
How do I fix CVE-2022-45441?
No fix has been published for CVE-2022-45441 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-2022-45441 being exploited?
There is no known exploitation of CVE-2022-45441 in the wild and no public exploit code.
Other vulnerabilities in Zyxel NBG-418N v2 firmware
Sources
Also known as GHSA-xcqv-8q74-7h3x.