CVE-2024-28875

Published Oct 30, 2024 CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
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).

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-25945 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).
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00117}

epss

{'score': 0.00124}

Type Values Removed Values Added
First Time appeared Level1
Level1 wbr-6012
Level1 wbr-6012 Firmware
CPEs cpe:2.3:h:level1:wbr-6012:-:*:*:*:*:*:*:*
cpe:2.3:o:level1:wbr-6012_firmware:r0.40e6:*:*:*:*:*:*:*
Vendors & Products Level1
Level1 wbr-6012
Level1 wbr-6012 Firmware
Type Values Removed Values Added
First Time appeared Levelone
Levelone wbr-6012
CPEs cpe:2.3:h:levelone:wbr-6012:*:*:*:*:*:*:*:*
Vendors & Products Levelone
Levelone wbr-6012
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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).
Weaknesses CWE-798
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
talos
Published
Updated
Nov 3, 2025, 9:54 PM
Reserved
Apr 26, 2024, 6:28 PM
Status
Modified
Published
Oct 30, 2024, 2:15 PM
Modified
Jun 17, 2026, 7:21 AM