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PatchSiren cyber security CVE debrief

CVE-2026-9003 TONNET CVE debrief

A SQL injection vulnerability in the E-LAN Hybrid Recording System developed by TONNET allows unauthenticated remote attackers to inject arbitrary SQL commands and read database contents. The vulnerability is classified as CWE-89 (Improper Neutralization of Special Elements used in an SQL Command). The CVSS 4.0 vector indicates network attack vector with low attack complexity, no privileges required, and no user interaction needed, resulting in high confidentiality impact. The vulnerability status is currently marked as 'Deferred' in the NVD. No known exploitation in ransomware campaigns has been reported, and the vulnerability is not listed in CISA's Known Exploited Vulnerabilities catalog.

Vendor
TONNET
Product
TPR7308
CVSS
HIGH 8.7
CISA KEV
Not listed in stored evidence
Original CVE published
2026-05-20
Original CVE updated
2026-07-23
Advisory published
2026-05-20
Advisory updated
2026-07-23

Who should care

Organizations operating TONNET E-LAN Hybrid Recording Systems, particularly in telecommunications, enterprise communications, or surveillance contexts. Security teams managing recording infrastructure in Taiwan and APAC regions where TONNET products are deployed. Compliance officers responsible for communications data protection under regulations requiring secure call recording storage.

Technical summary

The E-LAN Hybrid Recording System by TONNET contains a SQL injection vulnerability (CWE-89) that permits unauthenticated remote attackers to execute arbitrary SQL commands. Successful exploitation allows attackers to read database contents without authentication credentials. The vulnerability is remotely exploitable over the network with low attack complexity, requiring no privileges or user interaction. The CVSS 4.0 score of 8.7 reflects high confidentiality impact. Recording systems often store sensitive audio, video, and metadata; unauthorized database access could expose communications records, system configurations, or credentials. Organizations should prioritize patching and network isolation for affected systems.

Defensive priority

HIGH

Recommended defensive actions

  • Apply security patches from TONNET when available, prioritizing systems with internet-facing E-LAN Hybrid Recording System deployments
  • Implement network segmentation to restrict access to E-LAN Hybrid Recording System management interfaces
  • Deploy Web Application Firewall (WAF) rules to detect and block SQL injection attempts against recording system endpoints
  • Review database access logs for anomalous query patterns indicative of SQL injection exploitation
  • Disable or restrict external access to E-LAN Hybrid Recording System administrative interfaces until patching is complete

Evidence notes

Vulnerability disclosed by Taiwan Computer Emergency Response Team / Coordination Center (TWCERT/CC). Vendor identified as TONNET. Affected product: E-LAN Hybrid Recording System. CVSS 4.0 score: 8.7 (HIGH). Weakness: CWE-89 (SQL Injection). Attack vector: Network-based, unauthenticated. Impact: Confidentiality breach through arbitrary SQL command execution.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-9003 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-9003

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-9003 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-9003

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.