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Home / Feed / Cluster #2094

Russian State Hackers Exploit 7-Year-Old Cisco Router Vulnerability

Threat Score:
73
3 articles
75.0% similarity
8 hours ago
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Article Timeline

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Key Insights

1
The FBI and Cisco warn that the Russian cyber-espionage group Static Tundra has exploited a 7-year-old vulnerability, CVE-2018-0171, affecting thousands of outdated Cisco devices, including routers and switches.
2
Static Tundra has reportedly breached over 1,000 enterprises and critical infrastructure sectors, highlighting the vulnerability's extensive impact on businesses that have not updated their systems since 2018.
3
The vulnerability allows for remote code execution through Cisco's Smart Install feature, which is often left enabled on devices that are no longer supported, according to Cisco's advisory.
4
FBI officials stated, 'The continued exploitation of this vulnerability shows the need for organizations to prioritize patching and updating their systems,' emphasizing the ongoing threat posed by unpatched devices.
5
Cisco recommends that organizations disable the Smart Install feature on affected devices and apply patches where available, as many have not been updated since their initial release.
6
Cybersecurity experts have noted an increase in scanning and exploitation attempts, with a significant rise in activity observed in the last year, indicating that attackers are actively seeking vulnerable devices.

Threat Overview

The FBI and Cisco have issued a warning regarding the ongoing exploitation of a 7-year-old vulnerability found in Cisco networking devices, specifically targeting the Smart Install feature. The Russian cyber-espionage group known as Static Tundra, also referred to as Energetic Bear, has reportedly compromised thousands of outdated devices that remain unpatched against this flaw, which was first disclosed in 2018. 'The continued exploitation of this vulnerability shows the need for organizations to prioritize patching and updating their systems,' stated an FBI official, highlighting the urgency of the situation. The vulnerability, identified as CVE-2018-0171, allows for remote code execution and has been leveraged against over 1,000 enterprises, many of which are part of critical infrastructure sectors.

The flaw resides in the Cisco Smart Install feature, which is often left enabled on devices that have reached their end of life and are no longer supported by patches. 'Organizations must take immediate action to disable this feature and apply available patches,' advised Cisco in their advisory. The vulnerability's exploitation has led to a significant uptick in cyber-espionage activities, with sources indicating a marked increase in scanning and attempts to breach vulnerable devices over the past year.

The technical details surrounding the attack reveal that Static Tundra utilizes crafted packets to exploit the vulnerability, allowing attackers to execute arbitrary code on the targeted devices. This method enables them to gain unauthorized access to network resources, potentially leading to data breaches and further network compromise. Cybersecurity analysts have indicated that the attack chain can be executed in a matter of seconds, with the potential for attackers to maintain persistence through various means, including the installation of backdoors.

In response to the threat, Cisco has issued guidance to organizations still utilizing these devices. Security teams are urged to disable the Smart Install feature and implement any available security patches. Additionally, the cybersecurity community is actively monitoring the situation, with experts noting that the attack methods employed by Static Tundra are becoming increasingly sophisticated. 'The rise in scanning activity indicates that attackers are seeking out vulnerable devices aggressively,' noted a cybersecurity analyst.

Moving forward, organizations are strongly encouraged to review their network configurations and ensure that all Cisco devices are updated or decommissioned if they are no longer supported. The FBI and Cisco continue to emphasize the importance of proactive security measures in mitigating risks associated with legacy systems. 'Timely patching and system updates can significantly reduce the attack surface for organizations,' a security official concluded.

Tactics, Techniques & Procedures (TTPs)

T1203
Exploit Public-Facing Application - Attackers exploit CVE-2018-0171 through crafted packets targeting Cisco Smart Install feature, achieving remote code execution [1][2]
T1068
Exploitation of Elevation of Privilege - Attackers gain unauthorized access to systems by executing arbitrary code [2][3]
T1071.001
Application Layer Protocol: Web Protocols - Malicious traffic is sent to Cisco devices to exploit vulnerabilities [1][3]
T1499
Endpoint Denial of Service - Attackers potentially disrupt network services by taking control of vulnerable devices [2][3]
T1560
Archive Collected Data - Attackers may exfiltrate sensitive data post-exploitation [1][2]
T1070
Indicator Removal on Host - Attackers cover their tracks by removing logs or altering configurations [3][4]
T1543.003
Create or Modify System Process: Windows Service - Potential persistence mechanisms may be established through modified services [2][3]

Timeline of Events

2018-04-10
CVE-2018-0171 vulnerability disclosed by Cisco, detailing the risks associated with the Smart Install feature [1]
2024-08-01
FBI detects increased scanning activity targeting unpatched Cisco devices [2]
2025-08-15
Cisco issues a warning about the ongoing exploitation of the vulnerability by Static Tundra [3]
2025-08-20
FBI and Cisco release joint advisory urging immediate action to disable Smart Install feature [2][3]
Ongoing
Static Tundra continues to exploit vulnerable devices, with reports of breaches in various critical infrastructure sectors [1][2][3]

Source Citations

expert_quotes: {'FBI': 'Article 2', 'Cisco': 'Article 1', 'Cybersecurity Analysts': 'Article 3'}
primary_findings: {'Exploitation evidence': 'Articles 2, 3', 'CVE details and patches': 'Articles 1, 2', 'Vulnerable instance count': 'Article 1'}
technical_details: {'Attack methods': 'Articles 1, 2, 3', 'Persistence techniques': 'Articles 1, 2'}
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Russian State Hackers Exploit 7-Year-Old Cisco Router Vulnerability

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Score
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FBI, Cisco Warn of Russian Attacks on 7-Year-Old Flaw

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In the past year, "Static Tundra," aka "Energetic Bear," has breached thousands of end-of-life Cisco devices unpatched against a 2018 flaw, in a campaign targeting enterprises and critical infrastructure.

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Russian state cyber group Static Tundra exploiting Cisco devices, FBI warns

Therecord • 11 hours ago

A Russian cyber-espionage group is increasingly targeting unpatched Cisco networking devices through a vulnerability first discovered in 2018, the FBI warned.

Score
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Cluster Intelligence

Key entities and indicators for this cluster

COUNTRIES
Russia
VULNERABILITIES
Remote Code Execution
ATTACK TYPES
Remote Code Execution
Cyber-Espionage
APT GROUPS
Static Tundra
INDUSTRIES
Telecommunications
Critical Infrastructure
MITRE ATT&CK
T1543.003
T1071.001
T1203
T1499
T1068
CVES
CVE-2018-0171
PLATFORMS
Cisco IOS
Cisco Smart Install
CLUSTER INFORMATION
Cluster #2094
Created 8 hours ago
Semantic Algorithm

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