Is CVE-2018-7561 actively exploited?

No active exploitation of CVE-2018-7561 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2018-7561 be exploited remotely?

Yes. CVE-2018-7561 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2018-7561?

CVE-2018-7561 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2018-7561

CRITICAL

CVE-2018-7561

CWE-787Published: March 1, 2018· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Stack-based Buffer Overflow in httpd on Tenda AC9 devices V15.03.05.14_EN allows remote attackers to cause a denial of service or possibly have unspecified other impact.

NVD Source

Technical Analysis

CVE-2018-7561 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.