CVE-2026-75494
Cudy TR3000 before 2.5.42 Curl Argument Injection via TR-069 Upload
CVSS Score
7.4
EPSS Score
0.0%
EPSS Percentile
0th
Cudy TR3000 before 2.5.42 contains an argument injection vulnerability that allows a malicious or compromised ACS to inject curl options through unfiltered Username and Password values in the easycwmpd Upload handler. Attackers can embed whitespace to add options like -o and --url to the root-run curl command, writing attacker-controlled HTTP responses to arbitrary files on the device.
| CWE | CWE-88 |
| Vendor | shenzhen cudy technology co., ltd. |
| Product | tr3000 1.0 |
| Published | Nov 13, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High
Affected Versions
Shenzhen Cudy Technology Co., Ltd. / TR3000 1.0
0 < 2.5.42
References
cudy.com: https://www.cudy.com/en-us/pages/download-center/tr3000-1-0 d1jvyy13vm72kv.cloudfront.net: https://d1jvyy13vm72kv.cloudfront.net/device/upgrade/m_upgrade_TR3000_256MB_Flash-R103-2.5.42-20261103-160202-sysupgrade_82672.zip vulncheck.com: https://www.vulncheck.com/advisories/cudy-tr3000-before-2.5.42-curl-argument-injection-via-tr-069-upload
Credits
Jincheng Wang (@winmt)