CVE-2020-26733

Name: CVE-2020-26733
Creator: NVD / NIST
Published: 2021-01-14T16:15:17.787+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.68%

Last modified Jun 17, 2026

CVE-2020-26733 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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.. EPSS estimates a 0.68% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.68%

47.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Skyworth	Gn542vf Firmware	2.0.0.16

References

https://github.com/swzhouu/CVE-2020-26733Exploit, Third Party Advisory
https://github.com/swzhouu/CVE-2020-26733Exploit, Third Party Advisory

Timeline

Published: Jan 14, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-26733?

How severe is CVE-2020-26733?

CVE-2020-26733 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.68% probability of exploitation in the next 30 days.

How do I fix CVE-2020-26733?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-26733?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST