Is CVE-2023-49043 actively exploited?

No active exploitation of CVE-2023-49043 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-49043 be exploited remotely?

Yes. CVE-2023-49043 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-49043?

CVE-2023-49043 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-49043

CWE-787Published: November 27, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Buffer Overflow vulnerability in Tenda AX1803 v.1.0.0.1 allows a remote attacker to execute arbitrary code via the wpapsk_crypto parameter in the function fromSetWirelessRepeat.

NVD Source

Risk Analysis

This buffer overflow vulnerability in Tenda AX1803 firmware allows remote attackers to execute arbitrary code. It is rated as critical with a 9.8 CVSS score.

No public exploit is known, and the vulnerability is not in the CISA KEV catalog.

Recommended Action

Apply the manufacturer's latest firmware update to the affected device.

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-2023-49043 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.