CVE-2007-3762: Critical – Stack-based buffer overflow in the IAX2 channel driver (chan_iax2) in

◆ AI Analysis — automated analysis, not human-reviewed

This vulnerability was disclosed in 2007. A critical vulnerability affects Asterisk systems (CVE-2007-3762). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-2007-GLOBAL-334241-C • Model: rule-based-v1 • Confidence: MEDIUM

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Frequently Asked Questions

What is CVE-2007-3762?

This vulnerability was disclosed in 2007. A critical vulnerability affects Asterisk systems (CVE-2007-3762). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

What is the CVSS score for CVE-2007-3762?

CVE-2007-3762 has CVSS 9.3 (Critical). Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C. EPSS: 5.5%.

Is CVE-2007-3762 actively exploited?

No confirmed active exploitation of CVE-2007-3762 as of 2026-09-25.

How do I remediate CVE-2007-3762?

Priority: MEDIUM.

What systems are affected by CVE-2007-3762?

CVE-2007-3762 affects Asterisk Asterisk, Asterisk Appliance Developer Kit, Asterisknow, S800I Appliance.

Vulnerability Details

CVE ID	`CVE-2007-3762`
BSID	`BS-2007-GLOBAL-334241-C` BreachSpider Global ID
CVSS Vector	`AV:N/AC:M/Au:N/C:C/I:C/A:C`
Published	2007-07-18
Last Modified	2026-06-16
ICS Relevance	0%
Source	NVD

Official Description

Stack-based buffer overflow in the IAX2 channel driver (chan_iax2) in Asterisk before 1.2.22 and 1.4.x before 1.4.8, Business Edition before B.2.2.1, AsteriskNOW before beta7, Appliance Developer Kit before 0.5.0, and s800i before 1.0.2 allows remote attackers to execute arbitrary code by sending a long (1) voice or (2) video RTP frame.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

Vulnerability details: Stack-based buffer overflow in the IAX2 channel driver (chan_iax2) in Asterisk before 1.2.22 and 1.4.x before 1.4.8, Business Edition before B.2.2.1, AsteriskNOW before beta7, Appliance Developer Kit before 0.5.0, and s800i before 1.0.2 allows remote attackers to execute arbitrary code by sending a long (1) voice or (2) video RTP frame. CVSS vector: AV:N/AC:M/Au:N/C:C/I:C/A:C.

Exploitation Likelihood: LOW

Affected Products

Vendor	Product	Affected Versions
Asterisk	Asterisk	`1.0` `1.0.6` `1.0.7` `1.0.8` `1.0.9` `1.0.10` +25 more `1.0.11` `1.0.12` `1.2.0_beta1` `1.2.0_beta2` `1.2.5` `1.2.6` `1.2.7` `1.2.8` `1.2.9` `1.2.10` `1.2.11` `1.2.12` `1.2.13` `1.2.14` `1.2.15` `1.2.16` `1.2.17` `1.4.1` `1.4.2` `1.4.4_2007-04-27` `1.4_beta` `a` `b.1.3.2` `b.1.3.3` `b.2.2.0`
Asterisk	Asterisk Appliance Developer Kit	`≤ 0.4`
Asterisk	Asterisknow	`beta_5` `beta_6`
Asterisk	S800I Appliance	`1.0` `1.0.1`

Remediation

No official vendor advisory link on record. See the CVE record →

Threat Intelligence

● Threat Intelligence Validated: October 2026 | Threat Age: 7029 Days

CISA known-exploited	Not in KEV catalog
Public Exploit	Not confirmed
PoC Code	Not confirmed

AI Enrichment Record — provenance & audit hash

Model	`rule-based-v1`
Confidence	MEDIUM
Enriched At	2026-05-24
SHA-512 Audit Hash	`f76d45b910792df95e11e60ef7bce3b59e22562679b93366dbd7284e589427cdfc747c9c9c3b54506c5367997b3452175c9dfe60e15b7469604693f3bd99af98`

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