Security readout for executives and security teams
Plain-English summary
CVE-2023-0127 affects D-Link DWL-2600AP access points running firmware v4.2.0.17. An authenticated user who can reach the restricted telnet interface can abuse firmware update handling to run operating-system commands as root. The provided sources do not show active exploitation or a named patch.
Executive priority
Treat this as a high-priority asset exposure issue for legacy wireless infrastructure. Prioritize finding affected access points, limiting management access, and confirming vendor remediation or replacement options.
Technical view
The issue is CWE-77 command injection in the firmware_update command exposed through the device's restricted telnet interface. CVSS 3.1 is 7.8 high, with low complexity, low privileges required, no user interaction, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is likely limited to organizations still operating D-Link DWL-2600AP devices on firmware v4.2.0.17 with authenticated telnet management reachable by users or networks that should not administer the device.
Exploitation context
The source bundle does not list CISA KEV status and provides no evidence of active exploitation. Exploitation requires authentication and access to the restricted telnet interface, but successful abuse would execute commands with root privileges.
Researcher notes
Evidence is narrow but consistent: affected product is D-Link DWL-2600AP firmware v4.2.0.17, weakness is command injection, and impact is root command execution after authentication. Patch availability is not established in the provided sources.
Mitigation direction
- Inventory D-Link DWL-2600AP devices and firmware versions.
- Restrict management access to trusted administrative networks only.
- Disable telnet management if supported by vendor configuration.
- Check D-Link and Tenable guidance for firmware updates or replacements.
- Retire affected devices if no supported fix is available.
Validation and detection
- Confirm whether any DWL-2600AP runs firmware v4.2.0.17.
- Verify restricted telnet is not reachable from untrusted networks.
- Review administrative account access and remove unnecessary users.
- Check logs for unusual authenticated management activity.
- Document compensating controls where patch status is unknown.
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-77: 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-2023-0127 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
- 7.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/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:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H1.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/AV:L/AC:L/PR:L/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-2023-1CVE reference
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.