Information disclosure in Riverbed Technology Steelhead Vcx

CVE-2025-34098

A path traversal vulnerability exists in Riverbed SteelHead VCX appliances (confirmed in VCX255U 9.6.0a) due to improper input validation in the log filtering functionality exposed via the management web interface. An authenticated attacker can exploit this flaw by submitting crafted filter expressions to the log_filter endpoint using the filterStr parameter. This input is processed by a backend parser that permits execution of file expansion syntax, allowing the attacker to retrieve arbitrary system files via the log viewing interface.

Vulnerability class: Information Disclosure

EPSS: 0.007 (50.1th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-34098?
CVE-2025-34098 is a vulnerability in Riverbed Technology Steelhead Vcx, classified under Information Disclosure. Published 2025-07-10.
Is CVE-2025-34098 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.