CVE-2023-39550

Name: CVE-2023-39550
Creator: NVD / NIST
Published: 2023-08-07T19:15:11.987+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.90%

Last modified Jun 17, 2026

CVE-2023-39550 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Netgear JWNR2000v2 v1.0.0.11, XWN5001 v0.4.1.1, and XAVN2001v2 v0.4.0.7 were discovered to contain multiple buffer overflows via the http_passwd and http_username parameters in the check_auth function.. EPSS estimates a 0.90% chance of exploitation in the next 30 days.

Description

Netgear JWNR2000v2 v1.0.0.11, XWN5001 v0.4.1.1, and XAVN2001v2 v0.4.0.7 were discovered to contain multiple buffer overflows via the http_passwd and http_username parameters in the check_auth function.

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

0.90%

55.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

Affected Software

Vendor	Product	Versions
Netgear	Jwnr2000v2 Firmware	1.0.0.11
Netgear	Xwn5001 Firmware	0.4.1.1
Netgear	Xavn2001v2 Firmware	0.4.0.7

References

https://github.com/FirmRec/IoT-Vulns/blob/main/netgear/http_passwd_auth/README.mdExploit, Third Party Advisory
https://www.netgear.com/about/security/Vendor Advisory
https://github.com/FirmRec/IoT-Vulns/blob/main/netgear/http_passwd_auth/README.mdExploit, Third Party Advisory
https://www.netgear.com/about/security/Vendor Advisory

Timeline

Published: Aug 7, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-39550?

How severe is CVE-2023-39550?

CVE-2023-39550 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.90% probability of exploitation in the next 30 days.

How do I fix CVE-2023-39550?

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-2023-39550?

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

Scan your code now

Source: NVD / NIST