Is CVE-2026-5854 actively exploited?

No active exploitation of CVE-2026-5854 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-5854 be exploited remotely?

Yes. CVE-2026-5854 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-5854?

CVE-2026-5854 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2026-5854

CWE-77Published: April 9, 2026· Updated: Apr 13, 2026

9.8

CVSS v3.1

EPSS:0.23%probability of exploitation in 30 daysPercentile:45.9th

Official Description

A vulnerability was detected in Totolink A7100RU 7.4cu.2313_b20191024. Affected by this issue is the function setWiFiEasyCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument merge results in os command injection. It is possible to initiate the attack remotely. The exploit is now public and may be used.

NVD Source

Technical Analysis

CVE-2026-5854 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.