CVE-2021-45671 Cross-site scripting in n/a
Stored XSS in NETGEAR router firmware allows attackers to inject scripts, potentially leading to session hijacking or malicious actions.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-45671?
CVE-2021-45671 is a medium-severity cross-site scripting vulnerability in Netgear R7900 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 stored XSS. This affects CBR40 before 2.5.0.10, EAX80 before 1.0.1.62, EX7500 before 1.0.0.72, R7900 before 1.0.4.38, R8000 before 1.0.4.68, RAX200 before 1.0.4.120, RBS40V before 2.6.1.4, RBW30 before 2.6.1.4, MR60 before 1.0.6.110, RAX20 before 1.0.2.82, RAX45 before 1.0.2.72, RAX80 before 1.0.4.120, MS60 before 1.0.6.110, RAX15 before 1.0.2.82, RAX50 before 1.0.2.72, RAX75 before 1.0.4.120, 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-2021-45671?
It affects 22 products.
Products include Netgear Cbr40 Firmware, Netgear Eax80 Firmware, Netgear Ex7500 Firmware, Netgear Mr60 Firmware, Netgear Ms60 Firmware, Netgear R7900 Firmware and 16 more.
How do I fix CVE-2021-45671?
No fix has been published for CVE-2021-45671 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-2021-45671 being exploited?
There is no known exploitation of CVE-2021-45671 in the wild and no public exploit code.
Other vulnerabilities in Netgear R7900 Firmware
Sources
Also known as GHSA-fq8h-4493-3g4m.