Security readout for executives and security teams
CVE-2023-1389 lets an unauthenticated attacker run operating-system commands as root on vulnerable TP-Link Archer AX21 routers through the web management interface. Because CISA lists it as known exploited, exposed devices should be treated as urgent remediation targets. Exposure is limited to TP-Link Archer AX21 (AX1800) firmware before 1.1.4 Build 20230219, especially where the management interface is reachable from untrusted networks. The source bundle has a minor version-format inconsistency, so verify exact firmware naming with TP-Link guidance. Prioritize remediation promptly for any vulnerable Archer AX21 devices. This is a known-exploited router flaw with root command execution, making it relevant to perimeter, branch, small-office, and remote-work environments. Mitigation focus: Upgrade Archer AX21 firmware to 1.1.4 Build 20230219 or later.; Check TP-Link guidance for the exact fixed build and installation process.; Restrict router management access to trusted administrative networks..
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
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ATT&CK lookup starting points
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CWE-77: Command execution behavior lookup
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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-2023-1389 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:A/AC:L/PR:N/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.
CISA KEV status
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:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.tenable.com/security/research/tra-2023-11CVE reference
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-1389CVE reference · government-resource
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 a Command ('Command Injection')
Improper Neutralization of Special Elements used in a Command ('Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.