HIGHCVSS v3.1 8.1Vulnerability
CVE-2026-126953
Cudy TR3000 before 2.5.42 contains an OS command injection vulnerability that allows a malicious or compromised ACS to execute commands as root by supplying an unvalidated InternetGatewayDevice.User.{i}.Username value. Attackers can send a SetParameterValues request with shell metacharacters that set_UserUsername() in obuspa_system.lua passes to os.execute(), gaining root command execution.
Properties
- Severity
- HIGH
- Nvd fetched at
- 2026-11-14T00:40:25.638091+00:00
- Epss score
- 0.02568
- Cvss severity
- HIGH
- Cvss score
- 8.1
- Retrieved at
- 2026-11-14T00:51:03+00:00
- Last source
- FIRST EPSS
- Score
- 8.1
- Cvss version
- 3.1
- Cve id
- CVE-2026-126953
- Cvss vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- First seen by Signal
- 2026-11-13T17:31:47+00:00
- Vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Published at
- 2026-11-13T10:18:02.737
- Last modified
- 2026-11-13T10:18:02.737
- Epss percentile
- 0.8539
Related Entities (1)
HAS_WEAKNESS (1)
Related research
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