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Wbr 6012 Firmware CVE-2024-28875

HIGH
Use of Hard-coded Credentials (CWE-798)
2024-10-30 talos-cna@cisco.com
8.1
CVSS 3.1 · Vendor: cisco
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Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Credential externalization
MITRE ATT&CK

2 techniques across 2 tactics: Persistence, Credential Access

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 8.1 (HIGH). Attack characteristics: network attack vector, high complexity, no privileges required, no user interaction not required.

Exploit ScenarioDerived

A remote attacker could gain access using credentials embedded in source code by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.7% exploitation probability (EPSS)

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AnalysisAI

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. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Remove hard-coded credentials, use environment variables or secrets management, rotate exposed credentials immediately.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Use of Hard-coded Credentials (CWE-798), which allows attackers to gain access using credentials embedded in source code. 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 products include: Level1 Wbr-6012 Firmware.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (cisco) PRIMARY 8.1 HIGH
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from Vendor (cisco) · only source for this CVE.

CVSS VectorVendor: cisco

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionCVE.org

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).

Threat Intelligence Overview

EPSS Score
0.7%
Top 51% exploitable
Data Quality
2 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.7%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

41
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +40
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)CVE.org

cpe:2.3:o:level1:wbr-6012_firmware:r0.40e6:*:*:*:*:*:*:*
CVE-2024-33699 HIGH POC
8.8 Oct 30

The LevelOne WBR-6012 router's web application has a vulnerability in its firmware version R0.40e6, allowing attackers t

CVE-2024-24777 HIGH POC
8.8 Oct 30

A cross-site request forgery (CSRF) vulnerability exists in the Web Application functionality of the LevelOne WBR-6012 R

CVE-2024-23309 HIGH POC
8.1 Oct 30

The LevelOne WBR-6012 router with firmware R0.40e6 has an authentication bypass vulnerability in its web application due

CVE-2024-33700 HIGH POC
7.5 Oct 30

The LevelOne WBR-6012 router firmware R0.40e6 suffers from an input validation vulnerability within its FTP functionalit

CVE-2024-33623 HIGH POC
7.5 Oct 30

A denial of service vulnerability exists in the Web Application functionality of LevelOne WBR-6012 R0.40e6. Rated high s

CVE-2024-31152 HIGH POC
7.5 Oct 30

The LevelOne WBR-6012 router with firmware R0.40e6 is vulnerable to improper resource allocation within its web applicat

CVE-2024-28052 HIGH POC
7.5 Oct 30

The WBR-6012 is a wireless SOHO router. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no a

CVE-2024-31151 CRITICAL
9.8 Oct 30

A security flaw involving hard-coded credentials in LevelOne WBR-6012's web services allows attackers to gain unauthoriz

CVE-2024-33603 MEDIUM POC
5.3 Oct 30

The LevelOne WBR-6012 router has an information disclosure vulnerability in its web application, which allows unauthenti

CVE-2024-32946 MEDIUM
5.9 Oct 30

A vulnerability in the LevelOne WBR-6012 router's firmware version R0.40e6 allows sensitive information to be transmitte

CVE-2024-33626 MEDIUM
5.3 Oct 30

The LevelOne WBR-6012 router contains a vulnerability within its web application that allows unauthenticated disclosure

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