What is CVE-2025-70545?

CVE-2025-70545 is a medium-severity vulnerability in Belden Ppc 2k05x, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-02-04.

How severe is CVE-2025-70545?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2025-70545 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Belden Ppc 2k05x

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. 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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (22.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Belden Ppc_2k05x
Belden Ppc_2k05x_firmware — versions 1.1.9_206l
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

jeyabalaji711/CVE-2025-70545

References

cve@mitre.org (Broken Link)
cve@mitre.org (Third Party Advisory, Mitigation)

Frequently asked questions

What is CVE-2025-70545?: CVE-2025-70545 is a medium-severity vulnerability in Belden Ppc 2k05x, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-02-04.
How severe is CVE-2025-70545?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2025-70545 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.