CVE-2026-31159: An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary…
CVE-2026-31159 · Severity: medium · CVSS 6.5 · Published 2026-04-23
An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary commands via the password parameter to /cgi-bin/cstecgi.cgi.
No. Junglewise Threat Intelligence has no report of CVE-2026-31159 being exploited in the wild.
How severe is CVE-2026-31159?
Medium severity, with a CVSS score of 6.5, published 23 April 2026.
Which products and versions are affected?
TOTOLINK A3300R, TOTOLINK A3300r Firmware. The advisory does not name versions.
Is there a fix for CVE-2026-31159?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2026-31159?
Check whether you run TOTOLINK A3300R or TOTOLINK A3300r Firmware. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.