CVE-2008-3264: Asterisk Appliance Developer Kit

High severity, CVSS 7.8. EPSS: 3.4% chance of exploitation in the next 30 days.

The FWDOWNL firmware-download implementation in Asterisk Open Source 1.0.x, 1.2.x before 1.2.30, and 1.4.x before 1.4.21.2; Business Edition A.x.x, B.x.x before B.2.5.4, and C.x.x before C.1.10.3; AsteriskNOW; Appliance Developer Kit 0.x.x; and s800i 1.0.x before 1.2.0.1 allows remote attackers to cause a denial of service (traffic amplification) via an IAX2 FWDOWNL request.

Affected products

• Asterisk Asterisk Appliance Developer Kit: version 0.2 only; version 0.3 only; version 0.4 only; version 0.5 only; version 0.6 only; version 0.6.0 only; …
• Asterisk Asterisk Business Edition: version a only; version b only; version b.1.3.2 only; version b.1.3.3 only; version b.2.2.0 only; version b.2.2.1 only; …
• Asterisk Asterisknow: version beta_5 only; version beta_6 only; version beta_7 only; version pre-release only
• Asterisk Open Source: version 1.0 only; version 1.0.0 only; version 1.0.1 only; version 1.0.2 only; version 1.0.3 only; version 1.0.3.4 only; …

Published 2008-07-24. Last modified 2026-06-16.