Is CVE-2026-7136 actively exploited?

No active exploitation of CVE-2026-7136 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-7136 be exploited remotely?

Yes. CVE-2026-7136 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-7136?

CVE-2026-7136 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2026-7136

CWE-77Published: April 27, 2026· Updated: Apr 27, 2026

9.8

CVSS v3.1

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

Official Description

A weakness has been identified in Totolink A8000RU 7.1cu.643_b20200521. Affected by this issue is the function setDmzCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument wanIdx can lead to os command injection. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks.

NVD Source

Technical Analysis

CVE-2026-7136 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.