CVE-2025-70545
A stored cross-site scripting (XSS) vulnerability exists in the web management interface of the PPC (Belden) ONT 2K05X router running firmware v1.1.9_206L....
- Published
- Feb 4, 2026
- Updated
- Jul 5, 2026
- Assigning CNA
- mitre
- Evidence observed
- Aug 8, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NLow · next 30 days
- Percentile
- 24.9%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
A stored cross-site scripting (XSS) vulnerability exists in the web management interface of the PPC (Belden) ONT 2K05X router running firmware v1.1.9_206L. The Common Gateway Interface (CGI) component improperly handles user-supplied input, allowing a remote, unauthenticated attacker to inject arbitrary JavaScript that is persistently stored and executed when the affected interface is accessed.
Sources
1Stored XSS proof-of-concept for PPC (Belden) ONT 2K05X router firmware v1.1.9_206L, with reproduction steps and mitigation guidance for the vulnerable CGI component.
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