Is CVE-2023-39665 actively exploited?

No active exploitation of CVE-2023-39665 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-39665 be exploited remotely?

Yes. CVE-2023-39665 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-39665?

CVE-2023-39665 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2023-39665

CRITICAL

CVE-2023-39665

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 acStack_50 parameter.

NVD Source

Risk Analysis

A buffer overflow in the D-Link DIR-868L router could allow an unauthenticated remote attacker to execute arbitrary code. The critical severity rating highlights the urgent need to address this remotely exploitable flaw.

There is no evidence of public exploitation or inclusion in the KEV catalog.

Recommended Action

Apply the latest available firmware updates from D-Link to patch the affected router.

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-2023-39665 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.