Is CVE-2026-82616 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-82616?

CVE-2026-82616 has a CVSS v3 severity of CRITICAL (9.9).

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CVE-2026-82616

Description

A vulnerability was found in TOTOLINK NR1800X 9.1.0u.6681_B20230703. Impacted is the function setUploadSetting of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument FileName results in stack-based buffer overflow. The attack can be executed remotely. The exploit has been made public and could be used.