How severe is CVE-2016-1336?

CVE-2016-1336 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2016-1336 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-1336?

CVE-2016-1336 affects Cisco Epc3928 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-1336?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2016-1336 published?

CVE-2016-1336 was published on 2016-07-03 and last updated on 2026-06-17.

CVE-2016-1336

CVE-2016-1336 is a high-severity vulnerability in Cisco Epc3928 Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 9% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Cisco Epc3928 Firmware
Published: 2016-07-03
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2016-1336?: 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.
How severe is CVE-2016-1336?: CVE-2016-1336 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2016-1336 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-1336?: CVE-2016-1336 affects Cisco Epc3928 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-1336?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-1336 published?: CVE-2016-1336 was published on 2016-07-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:cisco:epc3928_firmware:-:*:*:*:*:*:*:*

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