What is CVE-2016-1327?

CVE-2016-1327 is a critical-severity vulnerability in Cisco Dpc2203, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2016-03-09.

How severe is CVE-2016-1327?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Cisco Dpc2203

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.

Vulnerability class: Buffer Overflow

Published 2016-03-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.069 (93.8th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 93.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.069 · newest: 0.069 · change: 0.000

Affected products

Cisco Dpc2203
Cisco Dpc2203 Cable Modem Firmware — versions r1_customer_image_base
Cisco Epc2203
Cisco Epc2203 Cable Modem Firmware — versions r1_customer_image_base

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

www.securitytracker.com/id/1035235 (vdb-entry)
tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160309… (vendor-advisory, Vendor Advisory)
www.securityfocus.com/bid/84279 (vdb-entry)

Frequently asked questions

What is CVE-2016-1327?: CVE-2016-1327 is a critical-severity vulnerability in Cisco Dpc2203, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2016-03-09.
How severe is CVE-2016-1327?: Critical severity. CVSS v3 base score is 9.8 out of 10.