CVE-2020-23592

Name: CVE-2020-23592
Creator: NVD / NIST
Published: 2022-11-23T02:15:09.46+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.53%

Last modified Jun 17, 2026

CVE-2020-23592 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A vulnerability in OPTILINK OP-XT71000N Hardware Version: V2.2 , Firmware Version: OP_V3.3.1-191028 allows an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack to Reset ONU to Factory Default through ' /mgm_dev_reset.asp.' Resetting to default leads to Escalation of Privileges by logging-in with default credentials.. EPSS estimates a 0.53% chance of exploitation in the next 30 days.

Description

A vulnerability in OPTILINK OP-XT71000N Hardware Version: V2.2 , Firmware Version: OP_V3.3.1-191028 allows an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack to Reset ONU to Factory Default through ' /mgm_dev_reset.asp.' Resetting to default leads to Escalation of Privileges by logging-in with default credentials.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.53%

40.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Optilinknetwork	Op-Xt71000n Firmware	3.3.1-191028

References

https://github.com/huzaifahussain98/CVE-2020-23592Third Party Advisory
https://github.com/huzaifahussain98/CVE-2020-23592Third Party Advisory

Timeline

Published: Nov 23, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-23592?

How severe is CVE-2020-23592?

CVE-2020-23592 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.53% probability of exploitation in the next 30 days.

How do I fix CVE-2020-23592?

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-2020-23592?

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

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Source: NVD / NIST