Is CVE-2023-27063 actively exploited?

No active exploitation of CVE-2023-27063 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-27063 be exploited remotely?

Yes. CVE-2023-27063 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-27063?

CVE-2023-27063 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2023-27063

CRITICAL

CVE-2023-27063

CWE-120Published: March 13, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Tenda V15V1.0 V15.11.0.14(1521_3190_1058) was discovered to contain a buffer overflow vulnerability via the DNSDomainName parameter in the formModifyDnsForward function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

NVD Source

Risk Analysis

Tenda W15E routers contain a buffer overflow vulnerability in the DNSDomainName parameter, which can be triggered by a crafted request. This critical flaw allows for a Denial of Service (DoS) attack.

There is no public exploit circulating, and it is not in the CISA KEV. The flaw is remotely exploitable with low complexity.

Recommended Action

Update the Tenda W15E firmware to a version beyond 15.11.0.14. Restrict management interface access to trusted 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-2023-27063 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.