What’s Vulnerable › Vulnerabilities

CVE-2016-6441

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2016-11-03 · updated 2026-06-17
• Weakness: CWE-119

Description

A vulnerability in the Transaction Language 1 (TL1) code of Cisco ASR 900 Series routers could allow an unauthenticated, remote attacker to cause a reload of, or remotely execute code on, the affected system. This vulnerability affects Cisco ASR 900 Series Aggregation Services Routers (ASR902, ASR903, and ASR907) that are running the following releases of Cisco IOS XE Software: 3.17.0S 3.17.1S 3.17.2S 3.18.0S 3.18.1S. More Information: CSCuy15175. Known Affected Releases: 15.6(1)S 15.6(2)S. Known Fixed Releases: 15.6(1)S2.12 15.6(1.17)S0.41 15.6(1.17)SP 15.6(2)SP 16.4(0.183) 16.5(0.10).

Affected products

• Cisco IOS XE: 3.17.0s, 3.17.1s, 3.17.2s, 3.17s, 3.18.0s, 3.18.1s (+1)

References

• http://www.securityfocus.com/bid/94072
• http://www.securitytracker.com/id/1037179
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161102-tl1
• http://www.securityfocus.com/bid/94072
• http://www.securitytracker.com/id/1037179
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161102-tl1

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