CVE-2026-51620

High

Description

Incorrect access control in the getNetInfoCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain network topology and interface configuration information via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

SeverityHigh
CVSS7.5
Exploit probability—
ProductT6
PublishedAug 28, 2026
First seenAug 28, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
TOTOLINK T64.1.5cu.748_B20211015—

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CVE-2026-51620 · T6 · Dark Radar