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Vulnerability record · CVE-2017-11502 · published 20 July 2017

CVE-2017-11502: Cisco dpc3928ad docsis wireless router firmware information exposure vulnerability

Cisco · Dpc3928ad Docsis Wireless Router Firmware

Technicolor DPC3928AD DOCSIS devices allow remote attackers to read arbitrary files via a request starting with "GET /../" on TCP port 4321.

9.8 CVSS 3.0 Critical EPSS 7.1% · top 6.0% CWE-200 · Information exposure
9.8CVSS 3.0 base score, v2 5.0
7.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Technicolor DPC3928AD DOCSIS devices allow remote attackers to read arbitrary files via a request starting with "GET /../" on TCP port 4321.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://blogs.securiteam.com/index.php/archives/2911#more-2911 ExploitThird Party Advisory
https://blogs.securiteam.com/index.php/archives/2911#more-2911 ExploitThird Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2017-11502), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.