CVE-2018-0173 — Actively Exploited: IOS and IOS XE Software (Cisco)
A vulnerability in the Cisco IOS Software and Cisco IOS XE Software function that restores encapsulated option 82 information in DHCP Version 4 (DHCPv4) packets can allow for denial-of-service (DoS).
| CVE ID | CVE-2018-0173 |
|---|---|
| Vendor | Cisco |
| Product | IOS and IOS XE Software |
| Vulnerability name | Cisco IOS and IOS XE Software Improper Input Validation Vulnerability |
| Date added | 2022-03-03 |
| Remediation due | 2022-03-17 |
| Known ransomware use | Unknown |
| Required action | Apply updates per vendor instructions. |
| Description | A vulnerability in the Cisco IOS Software and Cisco IOS XE Software function that restores encapsulated option 82 information in DHCP Version 4 (DHCPv4) packets can allow for denial-of-service (DoS). |
| Source | CISA Known Exploited Vulnerabilities |
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