CVE-2006-5231
Grandstream GXP-2000 VoIP Desktop Phone, firmware version 1.1.0.5, allows remote attackers to...
Grandstream GXP-2000 VoIP Desktop Phone, firmware version 1.1.0.5, allows remote attackers to cause a denial of service (hang or reboot) via a large amount of ASCII data sent to port (1) 5060/UDP, (2) 5062/UDP, (3) 5064/UDP, (4) 5066/UDP, (5) 9876/UDP, or (6) 26789/UDP.
Exploit likelihood
What each source reports
NVD Score used
7.8
Grandstream GXP-2000 VoIP Desktop Phone, firmware version 1.1.0.5, allows remote attackers to cause a denial of service (hang or reboot) via a large amount of ASCII data sent to port (1) 5060/UDP, (2) 5062/UDP, (3) 5064/UDP, (4) 5066/UDP, (5) 9876/UDP, or (6) 26789/UDP.
- Record
CVE-2006-5231- CVSS 2.0
- 7.8 High
AV:N/AC:L/Au:N/C:N/I:N/A:C - Updated
- 2026-11-02
CVE List No score
Grandstream GXP-2000 VoIP Desktop Phone, firmware version 1.1.0.5, allows remote attackers to cause a denial of service (hang or reboot) via a large amount of ASCII data sent to port (1) 5060/UDP, (2) 5062/UDP, (3) 5064/UDP, (4) 5066/UDP, (5) 9876/UDP, or (6) 26789/UDP.
- Record
CVE-2006-5231- Updated
- 2026-11-02
EUVDEUVD-2006-5216 No score
Grandstream GXP-2000 VoIP Desktop Phone, firmware version 1.1.0.5, allows remote attackers to cause a denial of service (hang or reboot) via a large amount of ASCII data sent to port (1) 5060/UDP, (2) 5062/UDP, (3) 5064/UDP, (4) 5066/UDP, (5) 9876/UDP, or (6) 26789/UDP.
- Record
EUVD-2006-5216- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-w4qj-38rc-3hq9 No score
Grandstream GXP-2000 VoIP Desktop Phone, firmware version 1.1.0.5, allows remote attackers to...
Grandstream GXP-2000 VoIP Desktop Phone, firmware version 1.1.0.5, allows remote attackers to cause a denial of service (hang or reboot) via a large amount of ASCII data sent to port (1) 5060/UDP, (2) 5062/UDP, (3) 5064/UDP, (4) 5066/UDP, (5) 9876/UDP, or (6) 26789/UDP.
- Record
GHSA-w4qj-38rc-3hq9- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2006-5231 is a high vulnerability (CVSS 7.8) in Grandstream Gxp-2000, published October 11, 2006. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.10%, the 81st percentile. No source names a fixed version.
References
securityfocus.com/bid/20356
securityreason.com/securityalert/1718
secunia.com/advisories/22265
lists.grok.org.uk/pipermail/full-disclosure/2006-October/049876.html
vupen.com/english/advisories/2006/3941
exchange.xforce.ibmcloud.com/vulnerabilities/29356
grandstream.com/BETATEST/GXP2000_BT200/Release_Note_GXP2000-BT200_1.1.1.14.pdf
nvd.nist.gov/vuln/detail/CVE-2006-5231
github.com/advisories/GHSA-w4qj-38rc-3hq9