CVE-2023-36355

Name: CVE-2023-36355
Creator: NVD / NIST
Published: 2023-06-22T20:15:09.733+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.9/10EPSS 31.73%

Last modified Jun 17, 2026

CVE-2023-36355 is a critical-severity vulnerability rated 9.9/10 on the CVSS scale. TP-Link TL-WR940N V4 was discovered to contain a buffer overflow via the ipStart parameter at /userRpm/WanDynamicIpV6CfgRpm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted GET request.. EPSS estimates a 31.73% chance of exploitation in the next 30 days.

Description

TP-Link TL-WR940N V4 was discovered to contain a buffer overflow via the ipStart parameter at /userRpm/WanDynamicIpV6CfgRpm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted GET request.

Metrics

CVSS 3.1

9.9/10

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

EPSS Probability

31.73%

98.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

Affected Software

Vendor	Product	Versions
Tp-Link	Tl-Wr940n Firmware	All versions

References

Timeline

Published: Jun 22, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-36355?

How severe is CVE-2023-36355?

CVE-2023-36355 has a CVSS score of 9.9/10 (CRITICAL severity). The EPSS model estimates a 31.73% probability of exploitation in the next 30 days.

How do I fix CVE-2023-36355?

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-2023-36355?

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

Scan your code now

Source: NVD / NIST