cve.bz

CVE-2026-129105 Cudy TR3000 before 2.5.42 pppd Option Injection via net.set_wan L2TP Credentials

7.0 high

High (7.0) in shenzhen cudy technology co., ltd. tr3000 1.0.

On this page
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.

Severity

CVSS 4.0

7.0 high
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

CVSS 3.1

6.5 medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
CWE
CWE-93 Improper Neutralization of CRLF Sequences (CRLF Injection)
OWASP Top 10
A05:2025 Injection
Published
Assigned by
VulnCheck (CNA)
NVD analysis
Awaiting analysis
Record from
the NVD, synced

Ask an AI about this CVE

ChatGPTClaudeGoogle AI Mode

Show the promptExplain CVE-2026-129105 for an engineer deciding whether to act. Use https://cve.bz/api/public/cves/CVE-2026-129105?via=ask-ai-copy and https://cve.bz/cve/CVE-2026-129105?via=ask-ai-copy as the source of truth: what is affected and which versions fix it, whether it is in CISA KEV, public exploits, and its EPSS (an internet-wide 30-day estimate of exploitation activity, not a forecast for my systems). If they give no fixed versions, use the CVE record https://cveawg.mitre.org/api/cve/CVE-2026-129105 or the vendor advisory, not third-party mirrors. Tell me how to check whether I am affected and how to verify a fix. Cite the sources and say where they are uncertain.

Opens a third-party assistant; its answer is its own, not cve.bz's. The prompt holds only this CVE's id and public links.

Badge for a README or a site

CVE-2026-129105

An image that stays current: it is drawn from the data each time it is fetched (a host that proxies images, as GitHub does, may show its copy for a while). Markdown:

[![CVE-2026-129105](https://cve.bz/cve/badge/CVE-2026-129105.svg)](https://cve.bz/cve/CVE-2026-129105)

HTML:

<a href="https://cve.bz/cve/CVE-2026-129105"><img src="https://cve.bz/cve/badge/CVE-2026-129105.svg" alt="CVE-2026-129105"></a>

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-15 Command Delimiters Likelihood: High · Severity: High
  • CAPEC-81 Web Server Logs Tampering Likelihood: Medium · Severity: High

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

References

Check your stackJSON