PT-2026-5983 · Belden · Ont 2K05X

Published 2026-02-04 · Updated 2026-02-04 · CVE-2025-70545

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Belden ONT 2K05X router version 1.1.9 206L

Description A stored cross-site scripting (XSS) issue exists in the web management interface of the PPC (Belden) ONT 2K05X router. The Common Gateway Interface (CGI) component does not properly handle user-supplied input, enabling a remote, unauthenticated attacker to inject arbitrary JavaScript. This injected script is persistently stored and executed when the affected interface is accessed.

Recommendations Update the Belden ONT 2K05X router firmware to a version newer than 1.1.9 206L.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-70545

Affected Products

Ont 2K05X

References · 6

• 🔥 https://github.com/jeyabalaji711/CVE-2025-70545 · Exploit
• https://osv.dev/vulnerability/CVE-2025-70545 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-70545 · Security Note
• https://t.me/CVEtracker/43728 · Telegram Post
• https://twitter.com/VulmonFeeds/status/2019119147414659384 · Twitter Post
• http://ppc.com · Note