Is CVE-2026-5852 actively exploited?

No active exploitation of CVE-2026-5852 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-5852 be exploited remotely?

Yes. CVE-2026-5852 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-5852?

CVE-2026-5852 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2026-5852

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 weakness has been identified in Totolink A7100RU 7.4cu.2313_b20191024. Affected is the function setIptvCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument igmpVer causes os command injection. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks.

NVD Source

Technical Analysis

CVE-2026-5852 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.