Is CVE-2026-5975 actively exploited?

No active exploitation of CVE-2026-5975 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-5975 be exploited remotely?

Yes. CVE-2026-5975 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-5975?

CVE-2026-5975 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2026-5975

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

9.8

CVSS v3.1

EPSS:0.89%probability of exploitation in 30 daysPercentile:75.6th

Official Description

A vulnerability was identified in Totolink A7100RU 7.4cu.2313_b20191024. The impacted element is the function setDmzCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument wanIdx leads to os command injection. The attack may be performed from remote. The exploit is publicly available and might be used.

NVD Source

Technical Analysis

CVE-2026-5975 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.