Vulnerability record
CVE-2026-75494
The short answer
CVE-2026-75494 affects Shenzhen Cudy Technology Co., Ltd. TR3000 1.0 and is rated high (CVSS 8.3). It is not in CISA's KEV catalog; EPSS puts the chance of exploitation in the next 30 days at 0.55%.
What it is
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.
Weakness: CWE-88.
Severity
8.3 high
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/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
Exploited (CISA KEV)
Not listed
CISA lists confirmed exploitation only
EPSS, next 30 days
0.55%
Higher than 47% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- High
- Attack requirements
- Present
- Privileges required
- None
- User interaction
- None
- Confidentiality impact
- None
- Integrity impact
- High
- Availability impact
- High
Affected products
TR3000 1.0. NVD's record lists the exact affected versions.
References
Questions
Is CVE-2026-75494 being exploited?
It is not in CISA's Known Exploited Vulnerabilities catalog as of 2026-11-14. FIRST's EPSS estimates a 0.55% chance of exploitation in the next 30 days.
How do I fix CVE-2026-75494?
Follow the vendor advisory in the references below. NVD lists the affected versions under its configurations.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Received. The description is NVD's text, quoted as published.
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