CVE-2024-28875
8.1
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability: 2.2 / Impact: 5.9
Source: CNA (Secondary)
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).
Affected (1)
Products: Level1: Wbr 6012 Firmware
Configuration A
| Vulnerable Software | Affected Versions |
|---|---|
| Version r0.40e6 |
| Running on/with | Platform Versions |
|---|---|
Level1 Wbr 6012 | All versions |
References (2)
Source: talos-cna@cisco.com
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Timeline
No history available yet.