PT-2018-15378 · Technicolor · Dpc3928Sl

Capitan Alfalo · Published 2018-12-25 · Updated 2019-10-03 · CVE-2018-20439

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Technicolor DPC3928SL D3928SL-PSIP-13-A010-c3420r55105-170214a

Description The issue allows remote attackers to discover Wi-Fi credentials. This is achieved through specific SNMP requests, including iso.3.6.1.4.1.4413.2.2.2.1.5.4.1.14.1.3.10001 and 1.3.6.1.4.1.4413.2.2.2.1.18.1.2.3.4.1.2.10001.

Recommendations As a temporary workaround, consider disabling SNMP until a patch is available. Restrict access to the vulnerable SNMP endpoints to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Insufficiently Protected Credentials

Weakness Enumeration

CWE-522

Related Identifiers

CVE-2018-20439

Affected Products

Dpc3928Sl

References · 3

• https://osv.dev/vulnerability/CVE-2018-20439 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-20439 · Security Note
• https://misteralfa-hack.blogspot.com/2018/12/technicolor-passwords-wireless-via-snmp.html · Note