CVE-2000-0964

CRITICAL

Buffer overflow in the web administration service for the HiNet LP5100 IP-phone allows remote attackers to cause a denial of service and possibly execute arbitrary commands via a long GET request.

Affects 1 product across 1 vendor.

BCS8.15
CVSS 2.010.0
EPSS3.8%
Percentile89th
PatchPatched
CVSS Vector — Plain English Remotely exploitable over the network, low complexity.
◆ SAGE Intelligence — CITED Relevance Research Team

A buffer overflow vulnerability exists in the web administration service of the HiNet LP5100 IP-phone, allowing remote attackers to cause a denial of service and potentially execute arbitrary commands via a long GET request. This vulnerability has a CVSS score of 10.0, indicating critical severity.

BSID: BS-2000-GLOBAL-309093-C • Model: Qwen/Qwen2.5-72B-Instruct-AWQ • Confidence: MEDIUM

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Frequently Asked Questions
What is CVE-2000-0964?
A buffer overflow vulnerability exists in the web administration service of the HiNet LP5100 IP-phone, allowing remote attackers to cause a denial of service and potentially execute arbitrary commands via a long GET request. This vulnerability has a CVSS score of 10.0, indicating critical severity.
What is the CVSS score for CVE-2000-0964?
CVE-2000-0964 has CVSS 10.0 (Critical). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. EPSS: 3.8%.
Is CVE-2000-0964 actively exploited?
No confirmed active exploitation of CVE-2000-0964 as of 2026-05-30.
How do I remediate CVE-2000-0964?
Priority: MEDIUM. Advisory: http://www.securityfocus.com/bid/1727 PSIRT: [email protected]
What systems are affected by CVE-2000-0964?
CVE-2000-0964 affects: Siemens.
What NERC-CIP standard applies to CVE-2000-0964?
NERC CIP CIP-007 CIP-007-R2: This CVE violates CIP-007-R2 because it allows unauthorized access to the control system, which could disrupt critical operations and compromise the integrity of the system.
What IEC 62443 requirement maps to CVE-2000-0964?
IEC 62443 SR 7.6: This CVE maps to SR 7.6 as it involves a vulnerability that can be exploited remotely to cause a denial of service and potentially execute arbitrary code, which could compromise the availability and integrity of the control system.
Vulnerability Details
CVE IDCVE-2000-0964
BSIDBS-2000-GLOBAL-309093-C BreachSpider Global ID
CVSS VectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Published2000-12-19
Last Modified2026-04-16
ICS Relevance75%
Verticals
ICS-OT
SourceNVD
Official Description

Buffer overflow in the web administration service for the HiNet LP5100 IP-phone allows remote attackers to cause a denial of service and possibly execute arbitrary commands via a long GET request.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

The vulnerability can be exploited by sending a specially crafted long GET request to the web administration service of the HiNet LP5100 IP-phone. This can lead to a buffer overflow, causing the service to crash and potentially allowing the execution of arbitrary code on the device.

Exploitation Likelihood: LOW

Affected Products
VendorProductFixed Version
Siemens Hinet Lp
Remediation
View Vendor Advisory →

Remediation Priority: MEDIUM

Vendor PSIRT: [email protected]
Threat Intelligence
● Threat Intelligence Validated: August 2026 | Threat Age: 9358 Days
CISA KEVNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
● Virtual Patch — CITED Relevance SAGE Engine MEDIUM CONFIDENCE

Implement network segmentation to isolate the HiNet LP5100 IP-phone from untrusted networks and apply strict access controls to limit who can send requests to the web administration service.

No reliable network detection signature exists for this vulnerability class — apply the compensating controls above and the vendor patch. SAGE only publishes a network rule when a concrete on-the-wire signature can be grounded in the advisory.

NERC CIP: CIP-007 CIP-007-R2
This CVE violates CIP-007-R2 because it allows unauthorized access to the control system, which could disrupt critical operations and compromise the integrity of the system.
IEC 62443: SR 7.6
This CVE maps to SR 7.6 as it involves a vulnerability that can be exploited remotely to cause a denial of service and potentially execute arbitrary code, which could compromise the availability and integrity of the control system.

Virtual patch generated by CITED Relevance SAGE. Validate in isolated environment before production deployment. Compensating control only - does not replace vendor patch.

SAGE Enrichment Record — provenance & audit hash
ModelQwen/Qwen2.5-72B-Instruct-AWQ
ConfidenceMEDIUM
Enriched At2026-05-24
SHA-512 Audit Hash0583cbab1023399a588d1ec93f601d2db56d76fef65382bed923f5e99c265480c559af38fff12af81ebb673e2ebc86967a3446ace1e6b282fb85df1fdb50f4a4
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