CVE-2020-29669 Auth bypass in n/a
A guest user can exploit a password reset flaw to take over the administrator account, gain shell access, and compromise the entire router system.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-29669?
CVE-2020-29669 is a high-severity authentication bypass vulnerability in n/a, published on 14 Dec 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
In the Macally WIFISD2-2A82 Media and Travel Router 2.000.010, the Guest user is able to reset its own password. This process has a vulnerability which can be used to take over the administrator account and results in shell access. As the admin user may read the /etc/shadow file, the password hashes of each user (including root) can be dumped. The root hash can be cracked easily which results in a complete system compromise.
Weakness: CWE-287
Which versions are affected by CVE-2020-29669?
It affects 1 product.
Products include Macally Wifisd2-2a82 Firmware.
How do I fix CVE-2020-29669?
No fix has been published for CVE-2020-29669 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2020-29669 being exploited?
There is no known exploitation of CVE-2020-29669 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-25hw-5mq3-gfwx.