CVE-2025-70545: belden ppc_2k05x_firmware Cross-site Scripting
Vulnerability summary
CVE-2025-70545 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in belden ppc_2k05x_firmware. EPSS estimates a 0.35% chance of exploitation in the next 30 days, higher than 26.8% of scored vulnerabilities.
Timeline
- 04-02-2026PublishedVulnerability first disclosed.
- 05-07-2026Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS trend
Probability
0.35%
Chance of exploitation in the next 30 days
Percentile
27%
Versus all other CVEs
30-day change
+0.03 pp
From 0.32% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Belden1 product
- ppc_2k05x_firmware1.1.9_206l
1 vendor · 1 product