XSS in Mercusys Mercury X18g
CVE-2021-25810
Cross site Scripting (XSS) vulnerability in MERCUSYS Mercury X18G 1.0.5 devices, via crafted values to the 'src_dport_start', 'src_dport_end', and 'dest_port' parameters.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.011 (62.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Mercusys Mercury_x18g
- Mercusys Mercury_x18g_firmware — versions 1.0.5
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (x_refsource_MISC, Broken Link)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-25810?
- CVE-2021-25810 is a medium-severity vulnerability in Mercusys Mercury X18g, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-04-29.
- How severe is CVE-2021-25810?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2021-25810 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.