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CVE-2015-6402

23
FAUCET Score

CVE-2015-6402 describes a Cross-Site Scripting (XSS) vulnerability in the management interface of Cisco EPC3928 devices running EDVA firmware versions 5.5.10, 5.5.11, and 5.7.1. This flaw allows remote, unauthenticated attackers to inject arbitrary web script or HTML through an unspecified input, impacting the integrity of the web interface. While the CVSS score is moderate at 4.3, indicating a medium attack complexity and partial integrity impact, its FAUCET Risk Score is high at 96/100, suggesting a significant potential risk. There is no evidence of active exploitation, and while an ExploitDB entry exists (EDB-39904) mentioning multiple vulnerabilities for this device, specific exploit code for this CVE is not publicly available via Metasploit or Nuclei, and there is no community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
5.5.10CPE matchmatch criteria
cpe:2.3:o:cisco:epc3928_docsis_3.0_8x4_wireless_residential_gateway_with_embedded_digital_voice_adapter:5.5.10:*:*:*:*:*:*:*
5.5.11CPE matchmatch criteria
cpe:2.3:o:cisco:epc3928_docsis_3.0_8x4_wireless_residential_gateway_with_embedded_digital_voice_adapter:5.5.11:*:*:*:*:*:*:*
5.7.1CPE matchmatch criteria
cpe:2.3:o:cisco:epc3928_docsis_3.0_8x4_wireless_residential_gateway_with_embedded_digital_voice_adapter:5.7.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
7.18%
Probability of exploitation in next 30 days
EPSS Percentile
93.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
ExploitDB: EDB-39904 · Jun 7, 2016
This CVE's current EPSS score of 0.0718 is in the 93rd percentile among its peer group of 19,955 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

ciscovendor investigatingvia nvd_reference
View patch

References

exploit-db.com / exploits/39904
tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-20151208-wrg
Vendor Advisory
securitytracker.com / id/1034346