CVE-2021-45639 Cross-site scripting in n/a
Reflected XSS in NETGEAR routers allows attackers to execute scripts in user browsers, potentially leading to session hijacking or malicious actions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-45639?
CVE-2021-45639 is a medium-severity cross-site scripting vulnerability in Netgear R6900p Firmware, published on 26 Dec 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Certain NETGEAR devices are affected by reflected XSS. This affects CBR40 before 2.5.0.10, EAX20 before 1.0.0.32, EAX80 before 1.0.1.62, EX6120 before 1.0.0.64, EX6130 before 1.0.0.44, EX7000 before 1.0.1.104, EX7500 before 1.0.0.72, R7000 before 1.0.11.110, R7900 before 1.0.4.30, R7960P before 1.4.1.66, R8000 before 1.0.4.62, RAX200 before 1.0.2.102, XR300 before 1.0.3.50, EX3700 before 1.0.0.90, MR60 before 1.0.5.102, R7000P before 1.3.2.126, R8000P before 1.4.1.66, RAX20 before 1.0.1.64, RAX50 before 1.0.2.28, RAX80 before 1.0.3.102, EX3800 before 1.0.0.90, MS60 before 1.0.5.102, R6900P before 1.3.2.126, R7900P before 1.4.1.66, RAX15 before 1.0.1.64, RAX45 before 1.0.2.28, RAX75 before 1.0.3.102, RBR750 before 3.2.16.6, RBR850 before 3.2.16.6, RBS750 before 3.2.16.6, RBS850 before 3.2.16.6, RBK752 before 3.2.16.6, and RBK852 before 3.2.16.6.
Weakness: CWE-79
Which versions are affected by CVE-2021-45639?
It affects 33 products.
Products include Netgear Cbr40 Firmware, Netgear Eax20 Firmware, Netgear Eax80 Firmware, Netgear Ex3700 Firmware, Netgear Ex3800 Firmware, Netgear Ex6120 Firmware and 27 more.
How do I fix CVE-2021-45639?
No fix has been published for CVE-2021-45639 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-2021-45639 being exploited?
There is no known exploitation of CVE-2021-45639 in the wild and no public exploit code.
Other vulnerabilities in Netgear R6900p Firmware
Sources
Also known as GHSA-fgjf-8pq6-h3gr.