CVE-2021-25810

PoC —

CVSS 3.1

6.1 medium

EPSS

1%p64

Published

Apr 29, 2021 (Apr 29, 2021)

Modified

Jun 17, 2026

Description

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.

Vendors: mercusys
Products: mercury x18g firmware
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (1.1%)

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