cvedb.io
CVE-2021-40112
CRITICAL · CVSS 10
EPSS exploitation probability: 0%
Published 2021-11-04T16:15:09.140 · Last modified 2026-06-17T04:06:32.517

Summary

Multiple vulnerabilities in the web-based management interface of the Cisco Catalyst Passive Optical Network (PON) Series Switches Optical Network Terminal (ONT) could allow an unauthenticated, remote attacker to perform the following actions: Log in with a default credential if the Telnet protocol is enabled Perform command injection Modify the configuration For more information about these vulnerabilities, see the Details section of this advisory.

Affected products

cisco — catalyst_pon_switch_cgp-ont-1p_firmware

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.