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CVE-2023-51148· NVD / CVE Program· CNA mitre

An issue in TRENDnet Trendnet AC1200 Dual Band PoE Indoor Wireless Access Point TEW-821DAP v.3.00b06 allows an attacker to execute arbitrary

An issue in TRENDnet Trendnet AC1200 Dual Band PoE Indoor Wireless Access Point TEW-821DAP v.3.00b06 allows an attacker to execute arbitrary code via the 'mycli' command-line interface component.

HighCVSS 8.0 · v3.1—No exploit No fix recorded
Published
Mar 26, 2024
Updated
Jul 9, 2026
EPSS
0.5% · 42th percentile
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Action score

32

Monitor

Low priority for now.

CVSS
32 / 40 · 8.0 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.5%

CISA SSVC decision

Exploitation
proof of concept
Automatable
no
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

Affected systems

VendorProduct
trendnettew-821dap firmware
trendnettew-821dap

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • trendnet tew-821dap firmware3.00b06

Same product

trendnet: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-7607TRENDnet TEW-821DAP Firmware Udpate auto_update_firmware buffer overflow
    34Monitor
  • CVE-2023-51147Buffer Overflow vulnerability in TRENDnet Trendnet AC1200 TEW-821DAP with firmware version 3.00b06 allows an attacker to execute arbitrary c
    32Monitor
  • CVE-2023-51146Buffer Overflow vulnerability in TRENDnet AC1200 TEW-821DAP with firmware version 3.00b06 allows an attacker to execute arbitrary code via t
    32Monitor
  • CVE-2026-7611TRENDnet TEW-821DAP Firmware Update cameo_dev.sh platform_do_upgrade_cameo_dev data authenticity
    25Monitor
  • CVE-2026-7606TRENDnet TEW-821DAP Firmware Update new_gui_update_firmware data authenticity
    25Monitor
  • CVE-2026-7610TRENDnet TEW-821DAP Firmware Update ssi cleartext transmission
    11Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2023-511460 days apartBuffer Overflow vulnerability in TRENDnet AC1200 TEW-821DAP with firmware version 3.00b06 allows an attacker to execute arbitrary code via t
    32Monitor
  • CVE-2023-511470 days apartBuffer Overflow vulnerability in TRENDnet Trendnet AC1200 TEW-821DAP with firmware version 3.00b06 allows an attacker to execute arbitrary c
    32Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Someone on the same network segment can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Adjacent
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-121 · Stack-based Buffer Overflow

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

nvd-secondary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

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