CVE-2018-20439 Information disclosure in n/a

Critical 9.8 Published 25 Dec 2018 Updated 17 Sep 2024

Remote attackers can retrieve Wi-Fi credentials from Technicolor cable modems via specific SNMP requests, exposing network access details.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-20439?

CVE-2018-20439 is a critical vulnerability in n/a, published on 25 Dec 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Technicolor DPC3928SL D3928SL-PSIP-13-A010-c3420r55105-170214a devices allow remote attackers to discover Wi-Fi credentials via 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 SNMP requests.

Weakness: CWE-522

Which versions are affected by CVE-2018-20439?

It affects 1 product.

Products include Technicolor Dpc3928sl Firmware.

How do I fix CVE-2018-20439?

No fix has been published for CVE-2018-20439 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-20439 being exploited?

There is no known exploitation of CVE-2018-20439 in the wild and no public exploit code.

Sources

Also known as GHSA-q4mq-9jgh-5qrx.