CVE-2024-28875 Hardcoded credentials in WBR-6012
Attackers can gain admin access to LevelOne WBR-6012 routers using a hard-coded backdoor password within 30 seconds of boot.
- 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-2024-28875?
CVE-2024-28875 is a high-severity vulnerability in LevelOne WBR-6012, published on 30 Oct 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A security flaw involving hard-coded credentials in LevelOne WBR-6012's web services allows attackers to gain unauthorized access during the first 30 seconds post-boot. Other vulnerabilities can force a reboot, circumventing the initial time restriction for exploitation.The backdoor string can be found at address 0x80100910 80100910 40 6d 21 74 ds "@m!t2K1" 32 4b 31 00 It is referenced by the function located at 0x800b78b0 and is used as shown in the pseudocode below: if ((SECOND_FROM_BOOT_TIME < 300) && (is_equal = strcmp(password,"@m!t2K1")) { return 1;} Where 1 is the return value to admin-level access (0 being fail and 3 being user).
Weakness: CWE-798
Which versions are affected by CVE-2024-28875?
It affects 1 product.
Products include Level1 Wbr-6012 Firmware.
How do I fix CVE-2024-28875?
No fix has been published for CVE-2024-28875 yet. Limit exposure of the affected software until one is available.
Is CVE-2024-28875 being exploited?
There is no known exploitation of CVE-2024-28875 in the wild and no public exploit code.
Other vulnerabilities in LevelOne WBR-6012
Sources
Also known as GHSA-4fj6-9r38-4v86.