What’s Vulnerable › Vulnerabilities

CVE-2009-0629

• Severity: medium (CVSS 5.4 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2009-03-27 · updated 2026-06-16

Description

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.

Affected products

• Cisco IOS: 12.2, 12.2b, 12.2bc, 12.2bw, 12.2bx, 12.2by (+180)
• Cisco IOS XR Software: 12.4

References

• http://secunia.com/advisories/34438
• http://securitytracker.com/id?1021903
• http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90469.shtml
• http://www.cisco.com/en/US/products/products_security_advisory09186a0080a904cb.shtml
• http://www.securityfocus.com/bid/34238
• http://www.vupen.com/english/advisories/2009/0851
• https://exchange.xforce.ibmcloud.com/vulnerabilities/49420
• http://secunia.com/advisories/34438
• http://securitytracker.com/id?1021903
• http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90469.shtml
• http://www.cisco.com/en/US/products/products_security_advisory09186a0080a904cb.shtml
• http://www.securityfocus.com/bid/34238

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