CVE-2020-26733
Published: 14 January 2021
Summary
CVE-2020-26733 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Skyworth Gn542Vf Firmware. Its CVSS base score is 5.4 (Medium).
Operationally, ranked in the top 30.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2020-19271
Vulnerability details
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.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.