CVE-2022-40620 Security feature bypass in n/a
Attackers can intercept update requests to deliver malicious packages due to improper TLS validation, gaining arbitrary code execution on NETGEAR routers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-40620?
CVE-2022-40620 is a high-severity vulnerability in Netgear R6260 Firmware, published on 28 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
FunJSQ, a third-party module integrated on some NETGEAR routers and Orbi WiFi Systems, does not properly validate TLS certificates when downloading update packages through its auto-update mechanism. An attacker (suitably positioned on the network) could intercept the update request and deliver a malicious update package in order to gain arbitrary code execution on affected devices. This affects R6230 before 1.1.0.112, R6260 before 1.1.0.88, R7000 before 1.0.11.134, R8900 before 1.0.5.42, R9000 before 1.0.5.42, and XR300 before 1.0.3.72 and Orbi RBR20 before 2.7.2.26, RBR50 before 2.7.4.26, RBS20 before 2.7.2.26, and RBS50 before 2.7.4.26.
Weakness: CWE-295
Which versions are affected by CVE-2022-40620?
It affects 10 products.
Products include Netgear R6230 Firmware, Netgear R6260 Firmware, Netgear R7000 Firmware, Netgear R8900 Firmware, Netgear R9000 Firmware, Netgear Rax120 Firmware and 4 more.
How do I fix CVE-2022-40620?
No fix has been published for CVE-2022-40620 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-40620 being exploited?
There is no known exploitation of CVE-2022-40620 in the wild and no public exploit code.
Other vulnerabilities in Netgear R6260 Firmware
Sources
Also known as GHSA-8cgh-w254-67rw.