Is CVE-2023-2923 actively exploited?

No active exploitation of CVE-2023-2923 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-2923 be exploited remotely?

Yes. CVE-2023-2923 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-2923?

CVE-2023-2923 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-2923

CWE-121Published: May 27, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

A vulnerability classified as critical was found in Tenda AC6 US_AC6V1.0BR_V15.03.05.19. Affected by this vulnerability is the function fromDhcpListClient. The manipulation leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-230077 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

NVD Source

Risk Analysis

This vulnerability in the Tenda AC6 router allows for a stack-based buffer overflow via the fromDhcpListClient function. With a CVSS score of 9.8, it is considered critical as it allows for remote code execution without authentication.

There is no known public exploit for this vulnerability, and it is not currently listed in CISA's KEV catalog. It is remotely exploitable with low attack complexity.

Recommended Action

Users should check for firmware updates from the vendor, though the vendor has not responded to reports regarding this issue.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-2923 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.