CVE-2006-4029: Stack-based buffer overflow in sipd.dll in AGEphone 1.24 and 1.38.1 allows remote attackers to execute arbitra

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HIGH 7.5DOWNGRADE

CVE-2006-4029 is a high-severity flaw (CVSS 7.5) affecting agephone. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Stack-based buffer overflow in sipd.dll in AGEphone 1.24 and 1.38.1 allows remote attackers to execute arbitrary code via a crafted UDP SIP packet.

Why this priority

High severity
EPSS top 5%: very likely to be exploited
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	8.4% (top 5%)
CISA exploited list	No
Published	2006-08-09
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: ageet

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2006-08-09 20:04 UTCPublished CVE record published
2026-06-16 22:28 UTCUpdated Record last modified

ageet agephone DOWNGRADE

Affected: 1.24 · 1.38.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.24

1. Check installed version

apt-cache policy agephone || rpm -q agephone || agephone --version

2. No fixed release: DOWNGRADE to a release before 1.24 (Debian / Ubuntu)

apt-cache madison agephone sudo apt install agephone=<VERSION_BEFORE_1.24> sudo apt-mark hold agephone

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list agephone sudo dnf downgrade agephone-<VERSION_BEFORE_1.24> sudo dnf versionlock add agephone

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: AGEphone 1.28/1.38 - SIP Packet Handling Buffer Overflow (PoC)

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2006-4029?

agephone: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2006-4029 being exploited?

CVE-2006-4029 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2006-4029 affect?

CVE-2006-4029 affects agephone. Severity is high (CVSS 7.5). Stack-based buffer overflow in sipd.dll in AGEphone 1.24 and 1.38.1 allows remote attackers to execute arbitrary code via a crafted UDP SIP packet.

How urgent is CVE-2006-4029?

Priority 55/100. High severity; EPSS top 5%: very likely to be exploited; Public exploit reference

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References

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