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CVE Record

CVE-2023-49593: Leftover debug code exists in the boa formSysCmd functionality of LevelOne WBR-6013 RER4_A_v3411b_2T2R_LEV_...

Leftover debug code exists in the boa formSysCmd functionality of LevelOne WBR-6013 RER4_A_v3411b_2T2R_LEV_09_170623. A specially crafted network request can lead to arbitrary command execution.

HighCVSS 7.2Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This flaw affects a specific LevelOne WBR-6013 firmware release. Leftover debug functionality in the router’s web server can allow an already highly privileged network user to execute arbitrary commands. Business risk is highest where affected routers remain in service and their management interface is reachable beyond tightly controlled admin networks.

Executive priority

Prioritize inventory and exposure reduction soon, especially for internet-facing or broadly reachable management interfaces. This is not evidenced as actively exploited in the supplied sources, but arbitrary command execution on network infrastructure can become business-critical if admin access is compromised.

Technical view

CVE-2023-49593 is CWE-489 in boa formSysCmd on LevelOne WBR-6013 RER4_A_v3411b_2T2R_LEV_09_170623. Talos and the CVE record describe arbitrary command execution through a specially crafted network request. CVSS 3.1 is 7.2: network reachable, low complexity, high privileges required, no user interaction, high CIA impact.

Likely exposure

Exposure appears limited to LevelOne WBR-6013 devices running firmware RER4_A_v3411b_2T2R_LEV_09_170623. Risk rises if administrative access to the boa web interface is reachable from broad internal networks, VPN users, or the internet. The source bundle does not identify other affected products or versions.

Exploitation context

The provided sources do not show CISA KEV listing or public active exploitation evidence. Exploitation requires high privileges according to the CVSS vector, so this is most concerning after admin credential compromise, insider misuse, or overly broad management access.

Researcher notes

Evidence is strongest for the specific firmware named in the CVE and Talos references. The key uncertainty is remediation availability; the source bundle does not name a fixed version. Avoid broad product assumptions and validate exposure through version inventory and management-plane reachability, not exploit reproduction.

Mitigation direction

  • Inventory LevelOne WBR-6013 routers and identify the exact firmware version.
  • Restrict management access to trusted admin networks only.
  • Check LevelOne and Talos guidance for fixed firmware or vendor-recommended remediation.
  • Replace or isolate affected devices if no supported firmware is available.
  • Review admin account hygiene and remove unnecessary privileged access.

Validation and detection

  • Confirm whether any WBR-6013 runs RER4_A_v3411b_2T2R_LEV_09_170623.
  • Verify the boa management interface is not internet exposed.
  • Review firewall and VPN rules controlling router administration paths.
  • Check router logs for unexpected privileged administrative activity.
  • Document compensating controls where firmware remediation is unavailable.
Prepared
Confidence
medium
Sources
4

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · low confidence lookup

CWE-489: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2023-49593 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
High
CVSS
7.2 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
7.2CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H1.25.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

7.2High
CVSS 3.1 vector shape for CVE-2023-49593Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LevelOneWBR-6013RER4_A_v3411b_2T2R_LEV_09_170623Listed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-489 · source CWE mapping

Active Debug Code

Active Debug Code represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.