How severe is CVE-2016-1327?

CVE-2016-1327 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-1327 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-1327?

CVE-2016-1327 primarily affects Cisco Dpc2203 Cable Modem Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-1327?

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

When was CVE-2016-1327 published?

CVE-2016-1327 was published on 2016-03-09 and last updated on 2026-06-17.

CVE-2016-1327

CVE-2016-1327 is a critical-severity vulnerability in Cisco Dpc2203 Cable Modem Firmware with a CVSS 3.x base score of 9.8. 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-119.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Cisco Dpc2203 Cable Modem Firmware
Published: 2016-03-09
Last modified: 2026-06-17

Description

Buffer overflow in the web server on Cisco DPC2203 and EPC2203 devices with firmware r1_customer_image allows remote attackers to execute arbitrary code via a crafted HTTP request, aka Bug ID CSCuv05935.

Frequently asked questions

What is CVE-2016-1327?: Buffer overflow in the web server on Cisco DPC2203 and EPC2203 devices with firmware r1_customer_image allows remote attackers to execute arbitrary code via a crafted HTTP request, aka Bug ID CSCuv05935.
How severe is CVE-2016-1327?: CVE-2016-1327 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-1327 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-1327?: CVE-2016-1327 primarily affects Cisco Dpc2203 Cable Modem Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-1327?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2016-1327 published?: CVE-2016-1327 was published on 2016-03-09 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:cisco:dpc2203_cable_modem_firmware:r1_customer_image_base:*:*:*:*:*:*:*
cpe:2.3:o:cisco:epc2203_cable_modem_firmware:r1_customer_image_base:*:*:*:*:*:*:*

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