XSS in Skyworth Gn542vf

CVE-2020-26733

Cross Site Scripting (XSS) in Configuration page in SKYWORTH GN542VF Hardware Version 2.0 and Software Version 2.0.0.16 allows authenticated attacker to inject their own script into the page via DDNS Configuration Section.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.007 (48.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-26733?
CVE-2020-26733 is a medium-severity vulnerability in Skyworth Gn542vf, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-01-14.
How severe is CVE-2020-26733?
Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2020-26733 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.