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Vulnerability record · CVE-2021-27825 · published 29 May 2023

CVE-2021-27825: Mercurycom mac1200r firmware path traversal vulnerability

Mercurycom · Mac1200r Firmware

A directory traversal vulnerability on Mercury MAC1200R devices allows attackers to read arbitrary files via a web-static/ URL.

7.5 CVSS 3.1 High EPSS 7.8% · top 5.5% CWE-22 · Path traversal
7.5CVSS 3.1 base score
7.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

A directory traversal vulnerability on Mercury MAC1200R devices allows attackers to read arbitrary files via a web-static/ URL.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

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

References

LinkTags
http://packetstormsecurity.com/files/171771/MAC-1200R-Directory-Traversal.html Third Party AdvisoryVDB Entry
https://www.mercurycom.com.cn/product-1-1.html Product
http://packetstormsecurity.com/files/171771/MAC-1200R-Directory-Traversal.html Third Party AdvisoryVDB Entry
https://www.mercurycom.com.cn/product-1-1.html Product

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Source: NIST National Vulnerability Database (record CVE-2021-27825), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.