Security readout for executives and security teams
Plain-English summary
CVE-2023-50381 is a high-severity command-injection flaw affecting Realtek rtl819x Jungle SDK v3.4.11 and a listed LevelOne WBR-6013 firmware build. A privileged attacker can use crafted HTTP requests to make the device run commands. The sources do not identify active exploitation or a confirmed patch.
Executive priority
Prioritize identification and isolation of affected routers or embedded devices, especially where administration is reachable beyond tightly controlled networks. Treat patch status as unresolved until confirmed by vendor guidance.
Technical view
The flaw is CWE-78 OS command injection in the boa formWsc functionality, tied to the targetAPSsid request parameter. CVSS 3.1 is 7.2: network reachable, low complexity, high privileges required, no user interaction, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is most likely in devices running Realtek rtl819x Jungle SDK v3.4.11, including the listed LevelOne WBR-6013 firmware RER4_A_v3411b_2T2R_LEV_09_170623. The source bundle does not prove broader downstream product impact.
Exploitation context
The CVE describes arbitrary command execution through a crafted series of HTTP requests. CISA KEV is false in the provided bundle, and no cited source here confirms active exploitation in the wild.
Researcher notes
The key evidence names boa formWsc and targetAPSsid, but the provided bundle does not include exploit details, patch confirmation, or a complete downstream product list. Avoid assuming all Realtek-based devices are affected without version evidence.
Mitigation direction
- Check Realtek and LevelOne guidance for fixed firmware or vendor mitigations.
- Update affected firmware if a trusted vendor release is available.
- Restrict device management interfaces to trusted administrative networks only.
- Remove public or broad network access to router administration services.
- Apply compensating monitoring where firmware updates are unavailable.
Validation and detection
- Inventory Realtek rtl819x SDK-based devices and LevelOne WBR-6013 routers.
- Confirm firmware versions against RER4_A_v3411b_2T2R_LEV_09_170623 and SDK v3.4.11.
- Review whether management interfaces are reachable from untrusted networks.
- Check available device logs for unusual administrative HTTP activity.
- Track vendor advisories and CVE updates for patch status changes.
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-2023-50381 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.
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.