CVE-2020-12773

Name: CVE-2020-12773
Creator: NVD / NIST
Published: 2020-06-08T08:15:13.327+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.16%

Last modified Jun 17, 2026

CVE-2020-12773 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A security misconfiguration vulnerability exists in the SDK of some Realtek ADSL/PON Modem SoC firmware, which allows attackers using a default password to execute arbitrary commands remotely via the build-in network monitoring tool.. EPSS estimates a 1.16% chance of exploitation in the next 30 days.

Description

A security misconfiguration vulnerability exists in the SDK of some Realtek ADSL/PON Modem SoC firmware, which allows attackers using a default password to execute arbitrary commands remotely via the build-in network monitoring tool.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.16%

63.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Realtek	Adsl Router Soc Firmware	All versions

References

https://www.twcert.org.tw/tw/cp-132-3681-2a3f6-1.htmlThird Party Advisory
https://www.twcert.org.tw/tw/cp-132-3681-2a3f6-1.htmlThird Party Advisory

Timeline

Published: Jun 8, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-12773?

How severe is CVE-2020-12773?

CVE-2020-12773 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.16% probability of exploitation in the next 30 days.

How do I fix CVE-2020-12773?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-12773?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST