CVE-2022-28376 Hardcoded credentials in n/a
Attackers can bypass authentication on Verizon 5G Home routers by deriving the admin password from the device's serial number and model string.
- 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-2022-28376?
CVE-2022-28376 is a high-severity vulnerability in n/a, published on 3 Apr 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Verizon 5G Home LVSKIHP outside devices through 2022-02-15 allow anyone (knowing the device's serial number) to access a CPE admin website, e.g., at the 10.0.0.1 IP address. The password (for the verizon username) is calculated by concatenating the serial number and the model (i.e., the LVSKIHP string), running the sha256sum program, and extracting the first seven characters concatenated with the last seven characters of that SHA-256 value.
Weakness: CWE-287
Which versions are affected by CVE-2022-28376?
It affects 1 product.
Products include Verizon Lvskihp Firmware.
How do I fix CVE-2022-28376?
No fix has been published for CVE-2022-28376 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-28376 being exploited?
There is no known exploitation of CVE-2022-28376 in the wild and no public exploit code.
Sources
Also known as GHSA-g94p-m365-483p.