VulnerabilityModified
CVE-2021-23242
MERCUSYS Mercury X18G 1.0.5 devices allow Directory Traversal via ../ to the UPnP server, as demonstrated by the /../../conf/template/uhttpd.json URI.
MEDIUM 5.3EPSS 1.81%
Does this matter?
Lower severity and a low EPSS score (1.81%). Track it; it rarely justifies an emergency change on its own.
Description
MERCUSYS Mercury X18G 1.0.5 devices allow Directory Traversal via ../ to the UPnP server, as demonstrated by the /../../conf/template/uhttpd.json URI.
- CVSS 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- EPSS
- 1.81% probability · 77th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- mercusys/mercury x18g firmware
- Source
- cve@mitre.org
References
- https://github.com/BATTZION/MY_REQUEST/blob/master/Mercury%20Router%20Upnp%20Server%20Directory%20Traversal.mdExploit, Third Party Advisory
- https://www.mercurycom.com.cn/product-521-1.htmlProduct, Vendor Advisory
- https://www.mercusys.com/en/Vendor Advisory
- https://github.com/BATTZION/MY_REQUEST/blob/master/Mercury%20Router%20Upnp%20Server%20Directory%20Traversal.mdExploit, Third Party Advisory
- https://www.mercurycom.com.cn/product-521-1.htmlProduct, Vendor Advisory
- https://www.mercusys.com/en/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.