Is CVE-2023-39667 actively exploited?

No active exploitation of CVE-2023-39667 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-39667 be exploited remotely?

Yes. CVE-2023-39667 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-39667?

CVE-2023-39667 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-39667

CWE-120Published: August 18, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

D-Link DIR-868L fw_revA_1-12_eu_multi_20170316 was discovered to contain a buffer overflow via the param_2 parameter in the FUN_0000acb4 function.

NVD Source

Risk Analysis

This D-Link router contains a buffer overflow vulnerability that could allow an attacker to execute arbitrary code. Given the critical CVSS score of 9.8, this flaw is highly dangerous as it is remotely exploitable without authentication.

There is no known public exploit for this vulnerability, and it is not currently listed in CISA's KEV catalog.

Recommended Action

Users should check for and apply the latest firmware updates provided by D-Link for the DIR-868L.

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-2023-39667 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.