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Vulnerability record · CVE-2018-15137 · published 8 August 2018

CVE-2018-15137: Cela link clr-m20 firmware unrestricted file upload vulnerability

CCela Link · Clr M20 Firmware

CeLa Link CLR-M20 devices allow unauthorized users to upload any file (e.g., asp, aspx, cfm, html, jhtml, jsp, or shtml), which causes remote code execution as well. Because of the WebDAV feature, it is possible to upload arbitrary files by utilizing the PUT method.

9.8 CVSS 3.0 Critical EPSS 18% · top 2.9% CWE-434 · Unrestricted file upload
9.8CVSS 3.0 base score, v2 10.0
18%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

CeLa Link CLR-M20 devices allow unauthorized users to upload any file (e.g., asp, aspx, cfm, html, jhtml, jsp, or shtml), which causes remote code execution as well. Because of the WebDAV feature, it is possible to upload arbitrary files by utilizing the PUT method.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/safakaslan/CelaLinkCLRM20/issues/1 Third Party Advisory
https://www.exploit-db.com/exploits/45021/ Third Party AdvisoryVDB Entry
https://github.com/safakaslan/CelaLinkCLRM20/issues/1 Third Party Advisory
https://www.exploit-db.com/exploits/45021/ Third Party AdvisoryVDB Entry

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2018-15137), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.