Evidence-led vulnerability intelligence · 2026-11-13 21:48 IST

CVE-2026-129102

Cudy TR3000 before 2.5.42 contains a command injection vulnerability that allows authenticated administrators to execute commands as root by injecting newlines into the IPsec keyexchange field of the vpn.set_conf RPC method. Attackers can append a second leftupdown directive to ipsec.conf, which StrongSwan's updown plugin runs as root when an attacker-controlled peer establishes the CHILD_SA.

HIGH · 8.6Network devices

Executive briefing

A structured intelligence assessment has not yet been generated. The source description is shown above. The background enrichment worker will retry this record.

Assessment: Potential exposure only — validate product, version, configuration and vendor applicability.

Evidence confidence: Not assessed Evidence-derived, not an exploitability verdict

Severity & attack characteristics

8.6 / 10 · 4.0

CVSS vector:
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack vectorN

Attack complexityL

Attack requirementsN

Privileges requiredH

User interactionN

ScopeX

Technical explanation & impact

Technical root-cause details are not available in the current source record.

Assess the impact using the published CVSS metrics and the affected vendor component.

Affected products and versions

NVD has not supplied machine-readable vulnerable CPE product/version entries for this CVE. This is an information gap, not proof that no products are affected. Check the vendor advisory references below.

Remediation & validation

Identify exposure by comparing the affected product and version ranges with your asset inventory, SBOM and externally exposed services.
Review the linked vendor security advisory or patch notes. Upgrade to a vendor-confirmed fixed release; do not infer a fixed version from the CVE description.
Until patched, consider restricting network access or disabling the affected feature where operationally safe. These are temporary controls, not a substitute for a vendor fix.
Validate the remediation with a version check and vulnerability rescan, then retain change evidence.

No fixed version is displayed unless it is explicitly established by a vendor advisory. Follow the vendor's release notes for exact product and branch applicability.

Vendor advisories, patches & exploit references

https://d1jvyy13vm72kv.cloudfront.net/device/upgrade/m_upgrade_TR3000_256MB_Flash-R103-2.5.42-20261103-160202-sysupgrade_82672.zip REFERENCE disclosure@vulncheck.com
https://www.cudy.com/en-us/pages/download-center/tr3000-1-0 REFERENCE disclosure@vulncheck.com
https://www.vulncheck.com/advisories/cudy-tr3000-before-2.5.42-command-injection-via-vpn-set-conf-ipsec-keyexchange REFERENCE disclosure@vulncheck.com

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