Is CVE-2023-43235 actively exploited?

No active exploitation of CVE-2023-43235 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-43235 be exploited remotely?

Yes. CVE-2023-43235 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-43235?

CVE-2023-43235 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2023-43235

CRITICAL

CVE-2023-43235

CWE-787Published: September 21, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

D-Link DIR-823G v1.0.2B05 was discovered to contain a stack overflow via parameter StartTime and EndTime in SetWifiDownSettings.

NVD Source

Risk Analysis

The D-Link DIR-823G is vulnerable to a stack overflow in its Wi-Fi scheduling settings. This critical flaw enables remote exploitation, which could lead to full device compromise.

There is no known public exploit, and it is not in the CISA KEV. The vulnerability is remotely exploitable.

Recommended Action

Update the D-Link DIR-823G firmware to the latest version.

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-2023-43235 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.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.