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TI-2024-19072 Aliases CVE-2024-28875GHSA-4fj6-9r38-4v86

Hard-coded credentials in LevelOne WBR-6012

Priority LOW 38CWE-798Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-798.

Summary

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).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00686 52nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
LevelOneWBR-6012R0.40e6—No fix listedCNA
  • WBR-6012 VendorLevelOne Affected R0.40e6 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:level1:wbr-6012_firmware:r0.40e6:*:*:*:*:*:*:*r0.40e6VulnerableLevel1
cpe:2.3:h:level1:wbr-6012:-:*:*:*:*:*:*:*not specified by NVDRunning onLevel1
  • cpe:2.3:o:level1:wbr-6012_firmware:r0.40e6:*:*:*:*:*:*:* Versions r0.40e6 Vulnerable ·Level1
  • cpe:2.3:h:level1:wbr-6012:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Level1

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-28875
  2. 2026-10-03 Alias added: GHSA-4fj6-9r38-4v86

References

Advisory 1

  • TI-2023-25181 Hard-coded credentials in LevelOne WBR-6013 CVSS 3.1CRITICAL 9.8
  • TI-2024-22280 The LevelOne WBR-6012 router's web application has a vulnerability in its firmware… CVSS 3.1CRITICAL 9.9
  • TI-2024-15413 The LevelOne WBR-6012 router with firmware R0.40e6 has an authentication bypass… CVSS 3.1CRITICAL 9.0
  • TI-2024-16294 Cross-site request forgery in LevelOne WBR-6012 CVSS 3.1HIGH 8.8
  • TI-2023-25815 Cross-site request forgery in LevelOne WBR-6013 CVSS 3.1HIGH 8.8
  • TI-2024-22281 Improper input validation in LevelOne WBR-6012 CVSS 3.1HIGH 7.5
See all 34 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences