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IO
Product
IOS
by Cisco · last CVE Aug 5, 2026
On CISA KEVExploited in the wild
617
CVEs
39
On KEV
9.8
Max CVSS
0
New 30D
Vulnerabilities617In the news2Timeline
Severity mix
Critical 8High 133Medium 81Low 1
Severity
All severities500Critical8High133Medium81Low1
Exploitation
On CISA KEV39Exploited in the wild39
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CVECVSSEPSSPublishedSummary · affected versions
CVE-1999-0159
3.5
1%
Aug 12
Attackers can crash a Cisco IOS router or device, provided they can get to an interactive prompt (such as a login)
Affected: 9.1; 11.0(20.3); 11.1(15)ca; 11.1(16); 11.1(16)aa; 11.1(16)ia; +10 more
Showing 1
The 500 most important CVEs for this product (exploited first, then by severity)