cvedb.io
CVE-2017-3859
HIGH · CVSS 7.5
EPSS exploitation probability: 0%
Published 2017-03-22T19:59:00.370 · Last modified 2026-06-17T01:19:03.970

Summary

A vulnerability in the DHCP code for the Zero Touch Provisioning feature of Cisco ASR 920 Series Aggregation Services Routers could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to a format string vulnerability when processing a crafted DHCP packet for Zero Touch Provisioning. An attacker could exploit this vulnerability by sending a specially crafted DHCP packet to an affected device. An exploit could allow the attacker to cause the device to reload, resulting in a denial of service (DoS) condition. This vulnerability affects Cisco ASR 920 Series Aggregation Services Routers that are running an affected release of Cisco IOS XE Software (3.13 through 3.18) and are listening on the DHCP server port. By default, the devices do not l

Affected products

cisco — ios_xe

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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.