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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.011 (64.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- Mercusys Mercury X18g
- Mercusys Mercury X18g Firmware — versions 1.0.5
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.mercusys.com/en/ (Vendor Advisory)
- www.mercurycom.com.cn/product-521-1.html (Broken Link)
- github.com/pokerfacett/MY_REQUEST/blob/master/Mercury Router X18g v1.0.5 Stored… (Exploit, Third Party Advisory)
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.