Search/CVE-2000-0268
● CVE

CVE-2000-0268

VendorciscoProductios, 3660 router, 7100 router, 7200 router, 7500 router, accesspath, as5200, as5300, as5800, system controller 3640, ubr7200, voice gateway as5800DiscoveredApr 20, 2000UpdatedApr 16, 2026

Cisco IOS 11.x and 12.x allows remote attackers to cause a denial of service by sending the ENVIRON option to the Telnet daemon before it is ready to accept it, which causes the system to reboot.

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CVSS v3.1
—
EPSS
1.66%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
Connections
12 relationships
Timeline
disclosure → media coverage
Apr 20, 2000
Disclosure — published as a CVE record. · last revised by NVD Apr 16, 2026