CVE-2024-28875

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).

Affected Software

Weaknesses

• CWE-798: CWE-798: Use of Hard-coded Credentials

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: total

CVE Program Container

Additional References

• https://www.talosintelligence.com/vulnerability_reports/TALOS-2024-1979

References

• https://talosintelligence.com/vulnerability_reports/TALOS-2024-1979

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