Is CVE-2026-5997 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2026-5997, but active exploitation has not been confirmed.

Can CVE-2026-5997 be exploited remotely?

Yes. CVE-2026-5997 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-5997?

CVE-2026-5997 has a CVSS score of 9.8 (CRITICAL).

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CRITICALPOC

CVE-2026-5997

CWE-77Published: April 10, 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 detected in Totolink A7100RU 7.4cu.2313_b20191024. The impacted element is the function setLoginPasswordCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument admpass results in os command injection. It is possible to launch the attack remotely. The exploit is now public and may be used.

NVD Source

Technical Analysis

CVE-2026-5997 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.

A proof-of-concept (PoC) exploit exists for CVE-2026-5997. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.