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VulnerabilityPublished Updated

CVE-2023-46685: LevelOne WBR-6013 · Use of Hard-coded Password

Affects LevelOne WBR-6013Source CVE Database V5

0

Not known to be exploited · CVSS 9.8 Critical.

Data as of 26 Oct 2026, 10:12 UTC

CVSS 3.1 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
1.0% chance of exploitation in 30 days – higher than 62% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 8 Jul 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

AI-suggested

Immediate mitigation steps include disabling the telnet service on all affected LevelOne WBR-6013 devices to eliminate the attack vector. Network administrators should restrict access to management interfaces by implementing strict firewall rules and network segmentation, ensuring that only trusted hosts can communicate with the router. Monitoring network traffic for unusual or suspicious packets targeting telnet ports (typically TCP 23) can help detect exploitation attempts. Organizations should inventory their network devices to identify any running the vulnerable firmware version and prioritize their replacement or isolation. Additionally, consider deploying intrusion detection/prevention systems (IDS/IPS) with signatures targeting this vulnerability once available. For long-term security, replace devices with models that follow secure development practices and avoid hard-coded credentials. Finally, maintain robust incident response plans to quickly address any compromise stemming from this vulnerability.

Description

A hard-coded password vulnerability exists in the telnetd functionality of LevelOne WBR-6013 RER4_A_v3411b_2T2R_LEV_09_170623. A set of specially crafted network packets can lead to arbitrary command execution.

References

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