SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-6552

An attacker can exploit this issue to render the affected system unresponsive, resulting in a denial-of-service condition for telephone, Internet, and TV services.

EXPLOITHIGH 7.5EPSS 4.59%

Does this matter?

A public exploit is published in Exploit-DB and the impact is high, while EPSS rates exploitation at 4.6%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.

Description

Livebox 3 Sagemcom SG30_sip-fr-5.15.8.1 devices have an insufficiently large default value for the maximum IPv6 routing table size: it can be filled within minutes. An attacker can exploit this issue to render the affected system unresponsive, resulting in a denial-of-service condition for telephone, Internet, and TV services.

CVSS 3.0
7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
4.59% probability · 92th percentile
Public exploits
1 in Exploit-DB · first 9 March 2017
CISA KEV
Not listed
Weakness
CWE-400
Affected
sagemcom/livebox firmware
Source
cve@mitre.org
EPSS trend
0%3%5%27 October 2026: 4.59%27 October 202627 October 2026

EPSS 4.6% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-41565source ↗Livebox 3 Sagemcom SG30_sip-fr-5.15.8.1 - Denial of Servicehardware · Quentin Olagnedos9 March 2017no

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.