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CVE-2026-129105

Cudy TR3000 before 2.5.42 pppd Option Injection via net.set_wan L2TP Credentials

  • High 7.0

Description

Cudy TR3000 before 2.5.42 contains an option injection vulnerability that allows authenticated administrators to inject arbitrary pppd options by embedding quotes and newlines in L2TP credentials. Attackers can submit crafted usernames or passwords to the net.set_wan RPC method, which l2tp.sh writes into a pppd options file, adding options like logfile to the root pppd process.

Key facts

Published
13 Nov 2026
Last changed
13 Nov 2026
Assigned by
VulnCheck
EPSS
0.367% likely to be exploited in the next 30 days, higher than 30.963% of CVEs (scores for 15 Nov 2026)

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 7.0CVSS 4.0, Highfrom the CNA (VulnCheck)CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
  • 6.5CVSS 3.1, Mediumfrom the CNA (VulnCheck)CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

No explicit remediation statement is available on this page yet. Consult the original record and vendor references before choosing a fix.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
Shenzhen Cudy Technology Co., Ltd.TR3000 1.0
  • Default status: unaffected
  • 0 up to but excluding 2.5.42 (affected)
  • 2.5.42 (unaffected)

Timeline

  1. 13 Nov 2026 Published

Weakness

References