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CVE-2026-129099 Cudy TR3000 before 2.5.42 Root RCE via OpenVPN Configuration Import

8.6 high

High (8.6) in shenzhen cudy technology co., ltd. tr3000 1.0.

On this page
Cudy TR3000 before 2.5.42 contains a remote code execution vulnerability that allows authenticated administrators to run root commands by importing a malicious OpenVPN client configuration. Attackers can include tls-verify or ipchange directives, which the incomplete denylist does not filter, to execute commands as root when the router connects to an attacker-controlled VPN endpoint.

Severity

CVSS 4.0

8.6 high
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

7.2 high
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CISA's assessment (SSVC)
Exploitation: none · Automatable: no · Technical impact: total, assessed 2026-11-13. From CISA's Vulnrichment in the CVE List: whether it is exploited, whether exploiting it can be automated, and how much control it gives.
CWE
CWE-184 Incomplete List of Disallowed Inputs
Published
Modified
Assigned by
VulnCheck (CNA)
NVD analysis
Awaiting analysis
Record from
the NVD, synced

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Affected

  • shenzhen cudy technology co., ltd.:tr3000 1.0

Versions

From the CNA's record in the CVE List.

ProductAffected
Shenzhen Cudy Technology Co., Ltd. TR3000 1.0before 2.5.42

Attack patterns (CAPEC)

  • CAPEC-3 Using Leading 'Ghost' Character Sequences to Bypass Input Filters Likelihood: Medium · Severity: Medium
  • CAPEC-6 Argument Injection Likelihood: High · Severity: High
  • CAPEC-15 Command Delimiters Likelihood: High · Severity: High
  • CAPEC-43 Exploiting Multiple Input Interpretation Layers Likelihood: Medium · Severity: High
  • CAPEC-71 Using Unicode Encoding to Bypass Validation Logic Likelihood: Medium · Severity: High
  • CAPEC-73 User-Controlled Filename Likelihood: High · Severity: High
  • CAPEC-85 AJAX Footprinting Likelihood: High · Severity: Low
  • CAPEC-120 Double Encoding Likelihood: Low · Severity: Medium
  • CAPEC-182 Flash Injection Likelihood: High · Severity: Medium

The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits.

References

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