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Vulnerability record · CVE-2016-1336 · published 3 July 2016

CVE-2016-1336: Cisco epc3928 firmware improper input validation vulnerability

Cisco · Epc3928 Firmware

goform/Docsis_system on Cisco EPC3928 devices allows remote attackers to cause a denial of service (device crash) via a long LanguageSelect parameter, related to a "Gateway HTTP Corruption Denial of Service" issue, aka Bug ID CSCuy28100.

7.5 CVSS 3.0 High EPSS 9.3% · top 4.8% CWE-20 · Improper input validation
7.5CVSS 3.0 base score, v2 7.8
9.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

goform/Docsis_system on Cisco EPC3928 devices allows remote attackers to cause a denial of service (device crash) via a long LanguageSelect parameter, related to a "Gateway HTTP Corruption Denial of Service" issue, aka Bug ID CSCuy28100.

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

Affected products

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

References

LinkTags
http://secorda.com/multiple-security-vulnerabilities-affecting-cisco-epc3928/ ExploitURL Repurposed
http://www.securityfocus.com/archive/1/538627/100/0/threaded
http://www.securityfocus.com/bid/91543
https://www.exploit-db.com/exploits/39904/
http://secorda.com/multiple-security-vulnerabilities-affecting-cisco-epc3928/ ExploitURL Repurposed
http://www.securityfocus.com/archive/1/538627/100/0/threaded
http://www.securityfocus.com/bid/91543
https://www.exploit-db.com/exploits/39904/

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2016-1336), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.