Is CVE-2023-51963 actively exploited?

No active exploitation of CVE-2023-51963 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-51963 be exploited remotely?

Yes. CVE-2023-51963 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-51963?

CVE-2023-51963 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-51963

CWE-787Published: January 10, 2024· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Tenda AX1803 v1.0.0.1 contains a stack overflow via the iptv.city.vlan parameter in the function setIptvInfo.

NVD Source

Risk Analysis

The Tenda AX1803 router contains a stack overflow vulnerability in the iptv.city.vlan parameter. This critical issue allows remote attackers to execute arbitrary code without authentication.

There is no public exploit known for this vulnerability, and it is not tracked in the KEV catalog. It is remotely exploitable.

Recommended Action

Update the router firmware to the latest version. Limit access to the device management interface to trusted internal networks.

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-2023-51963 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.