What is CVE-2019-6963?

CVE-2019-6963 is a high-severity vulnerability in Rdkcentral Rdkb Ccsppandm, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2019-06-20.

How severe is CVE-2019-6963?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Rdkcentral Rdkb Ccsppandm

CVE-2019-6963

A heap-based buffer overflow in cosa_dhcpv4_dml.c in the RDK RDKB-20181217-1 CcspPandM module may allow attackers with login credentials to achieve remote code execution by crafting a long buffer in the "Comment" field of an IP reservation form in the admin panel. This is related to the CcspCommonLibrary module.

Vulnerability class: Buffer Overflow

Published 2019-06-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.024 (83.7th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000

Affected products

Rdkcentral Rdkb Ccsppandm — versions rdkb-20181217-1

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

dojo.bullguard.com/dojo-by-bullguard/blog/the-gateway-is-wide-open (Third Party Advisory)

Frequently asked questions

What is CVE-2019-6963?: CVE-2019-6963 is a high-severity vulnerability in Rdkcentral Rdkb Ccsppandm, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2019-06-20.
How severe is CVE-2019-6963?: High severity. CVSS v3 base score is 8.8 out of 10.