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Improve Router Hygiene to Protect Against Russian State-Sponsored Targeting ↗ source

July 13, 2026 NSA Advisory
Co-sealed by: ASD/ACSC, CCCS, CISA, FBI, NCSC-NZ, NCSC-UK, NSA

Summary

Russian Government-Sponsored Activity Targets Poorly Configured and Vulnerable Devices Across Critical Sectors Russian Federal Security Service (FSB) Center 16 cyber actors continue to exploit poorly configured and vulnerable networking devices worldwide, opportunistically compromising multiple critical infrastructure sector networks. This joint Cybersecurity Advisory (CSA) builds on FBI’s Russian Government Cyber Actors Targeting Networking Devices, Critical Infrastructure Public Service Announcement of the decade-plus FSB Center 16 cyber activity by providing additional tactics, techniques, and procedures (TTPs) to enable defenders to more fully understand and counter the threat. [ 1 ] This CSA is being released by the following authoring and co-sealing agencies: Communications Security Establishment Canada’s (CSE’s) Canadian Centre for Cyber Security (Cyber Centre) Czech Republic National Cyber and Information Security Agency (NÚKIB) 1 The authoring and co-sealing agencies strongly urge device owners and network defenders to take mitigation and remediation actions against Russian government-sponsored exploitation of vulnerable routers. Download the PDF version of this report: Cybersecurity industry tracking The cybersecurity industry provides overlapping cyber threat intelligence, indicators of compromise (IOCs), and mitigation recommendations related to this activity.

News Coverage

No coverage found in monitored research blogs or news feeds.

CVEs Referenced in This Publication

CVECVSSAffected
CVE-2018-0171 7.5 High Cisco IOS and IOS XE Cisco IOS and IOS XE Software improperly validates packet data, allowing an unauthenticated, remote attacker to trigger a reload of an affected devic…
CVE-2008-4128 4.3 Medium Cisco IOS Cisco IOS 12.4 contains multiple cross-site forgery vulnerabilities that allows remote attackers to execute arbitrary commands via (1) a certain "sho…

Extracted from the publication text. Each CVE links to its tracked detail page.

Vendors Named in This Publication

Each vendor links to its Known Exploited Vulnerabilities catalog page. Only vendors that appear in the KEV catalog are listed, either because the publication cites one of their KEV entries or because it names them directly.