Security readout for executives and security teams
Plain-English summary
CVE-2023-51148 affects the TRENDnet TEW-821DAP AC1200 Dual Band PoE Indoor Wireless Access Point firmware v3.00b06. A low-privileged attacker on an adjacent network may execute arbitrary code through the mycli interface. The published CVSS score is high, and compromise could affect confidentiality, integrity, and availability.
Executive priority
Treat this as a high-priority network appliance risk if the affected model is deployed. Prioritize inventory, segmentation, and vendor patch confirmation because successful exploitation could lead to full device compromise.
Technical view
The CVE describes arbitrary code execution in the mycli command-line interface component of TRENDnet TEW-821DAP v3.00b06. The record maps to CWE-121, indicating a stack-based buffer overflow class. CVSS 3.1 is 8.0: AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Likely exposure
Exposure is most likely where TEW-821DAP v3.00b06 devices are deployed and management or CLI access is reachable from adjacent networks. The source bundle does not provide complete CPE data or broader affected-version confirmation.
Exploitation context
The CVE record does not show CISA KEV listing, and the provided sources do not state active exploitation. The conditions imply an attacker needs adjacent-network access and low privileges, with no user interaction required.
Researcher notes
Evidence is narrow: the bundle names TEW-821DAP v3.00b06 and mycli, but affected CPE data is absent. Do not assume other TRENDnet models or versions are affected without vendor or researcher confirmation.
Mitigation direction
- Inventory TRENDnet TEW-821DAP devices and confirm firmware versions.
- Check TRENDnet guidance for fixed firmware or official workarounds.
- Restrict management and CLI access to trusted administrative networks.
- Remove affected devices from untrusted adjacent network segments.
- Monitor device logs for unusual administrative or CLI activity.
Validation and detection
- Confirm whether any TEW-821DAP devices run firmware v3.00b06.
- Verify management interfaces are not reachable from guest or untrusted networks.
- Review vendor advisories for patch availability before changing firmware.
- Document compensating controls where a vendor fix is unavailable.
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-121: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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-2023-51148 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
- 8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:A/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.
SSVC decision data
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:L/UI:N/S:U/C:H/I:H/A:H2.15.9CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
8HighVector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/SpikeReply/advisories/blob/main/cve/trendnet/cve-2023-51148.mdCVE reference, mitre
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.
Stack-based Buffer Overflow
Stack-based Buffer Overflow represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.