Security readout for executives and security teams
Plain-English summary
A router firmware component can let a privileged attacker turn a web management request into operating-system commands. If affected devices are exposed or reachable by adversaries with admin access, compromise could mean full device control and network foothold risk.
Executive priority
Treat as high priority for edge or branch routers because successful exploitation could provide full device control. Prioritize exposed devices, environments with shared router credentials, and unsupported firmware.
Technical view
CVE-2023-50383 is CWE-78 OS command injection in boa formWsc within Realtek rtl819x Jungle SDK v3.4.11, reported in LevelOne WBR-6013 firmware RER4_A_v3411b_2T2R_LEV_09_170623. The issue involves the localPin request parameter and crafted HTTP requests. CVSS 3.1 is 7.2 with high privileges required.
Likely exposure
Exposure is most likely in LevelOne WBR-6013 devices running the named firmware, and potentially products built from Realtek rtl819x Jungle SDK v3.4.11. The supplied sources do not identify broader product coverage.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation evidence. The CVSS vector indicates network attackability, low complexity, no user interaction, and high privileges required, so risk rises sharply where admin interfaces are exposed or credentials are compromised.
Researcher notes
Evidence is specific to boa formWsc and the localPin parameter. Do not assume unauthenticated exploitation: the published CVSS vector states PR:H. The bundle names three related vulnerabilities, but this CVE entry is tied to localPin.
Mitigation direction
- Check Talos and vendor channels for firmware updates or official mitigation guidance.
- Restrict router web administration to trusted management networks only.
- Remove internet exposure for affected management interfaces.
- Rotate administrative credentials where exposure or compromise is suspected.
- Replace devices if no supported remediation is available.
Validation and detection
- Inventory LevelOne WBR-6013 devices and record firmware versions.
- Identify products derived from Realtek rtl819x Jungle SDK v3.4.11.
- Verify whether router administration interfaces are externally reachable.
- Review device logs for suspicious administrative access patterns.
- Track vendor and Talos updates for confirmed patches or affected-product expansion.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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-78: Command execution behavior lookup
Command injection weaknesses can lead defenders to review execution techniques and command interpreter telemetry. 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 lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2023-50383 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- 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
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.
CVSS vector scores
1 official scoreWe 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.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H1.25.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.2HighVector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source materials
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.