How severe is CVE-2023-51146?

CVE-2023-51146 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-51146 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-51146?

CVE-2023-51146 affects Trendnet Tew-821dap Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-51146?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-51146 have an EU (EUVD) identifier?

Yes. CVE-2023-51146 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-55868.

When was CVE-2023-51146 published?

CVE-2023-51146 was published on 2024-03-26 and last updated on 2026-06-17.

CVE-2023-51146

CVE-2023-51146 is a high-severity vulnerability in Trendnet Tew-821dap Firmware with a CVSS 3.x base score of 8.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-121.

Key facts

Severity: High (CVSS 3.x base score 8.0)
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-55868
Weakness: CWE-121
Affected product: Trendnet Tew-821dap Firmware
Published: 2024-03-26
Last modified: 2026-06-17

Description

Buffer Overflow vulnerability in TRENDnet AC1200 TEW-821DAP with firmware version 3.00b06 allows an attacker to execute arbitrary code via the adm_add_user action.

Frequently asked questions

What is CVE-2023-51146?: Buffer Overflow vulnerability in TRENDnet AC1200 TEW-821DAP with firmware version 3.00b06 allows an attacker to execute arbitrary code via the adm_add_user action.
How severe is CVE-2023-51146?: CVE-2023-51146 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-51146 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-51146?: CVE-2023-51146 affects Trendnet Tew-821dap Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-51146?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-51146 have an EU (EUVD) identifier?: Yes. CVE-2023-51146 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-55868.
When was CVE-2023-51146 published?: CVE-2023-51146 was published on 2024-03-26 and last updated on 2026-06-17.

References

https://github.com/SpikeReply/advisories/blob/main/cve/trendnet/cve-2023-51146.md

Affected products (1)

cpe:2.3:o:trendnet:tew-821dap_firmware:3.00b06:*:*:*:*:*:*:*

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