The (1) Airline Product Set (aka ALPS), (2) Serial Tunnel Code (aka STUN), (3) Block Serial Tunnel Code (aka BSTUN), (4) Native Client Interface Architecture (NCIA) support, (5) Data-link switching (aka DLSw), (6) Remote Source-Route Bridging (RSRB), (7) Point to Point Tunneling Protocol (PPTP), (8) X.25 for Record Boundary Preservation (RBP), (9) X.25 over TCP (XOT), and (10) X.25 Routing features in Cisco IOS 12.2 and 12.4 allows remote attackers to cause a denial of service (device reload) via a series of crafted TCP packets.
http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90469.shtml
http://www.cisco.com/en/US/products/products_security_advisory09186a0080a904cb.shtml
http://www.vupen.com/english/advisories/2009/0851
http://secunia.com/advisories/34438
http://securitytracker.com/id?1021903
Source: MITRE
Published: 2009-03-27
Updated: 2021-08-25
Type: NVD-CWE-Other
Base Score: 5.4
Vector: AV:N/AC:H/Au:N/C:N/I:N/A:C
Impact Score: 6.9
Exploitability Score: 4.9
Severity: MEDIUM