CVE-2023-39745

Name: CVE-2023-39745
Creator: NVD / NIST
Published: 2023-08-21T03:15:11.487+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.62%

Last modified Jun 17, 2026

CVE-2023-39745 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. TP-Link TL-WR940N V2, TP-Link TL-WR941ND V5 and TP-Link TL-WR841N V8 were discovered to contain a buffer overflow via the component /userRpm/AccessCtrlAccessRulesRpm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted GET request.. EPSS estimates a 0.62% chance of exploitation in the next 30 days.

Description

TP-Link TL-WR940N V2, TP-Link TL-WR941ND V5 and TP-Link TL-WR841N V8 were discovered to contain a buffer overflow via the component /userRpm/AccessCtrlAccessRulesRpm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted GET request.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.62%

45.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

Affected Software

Vendor	Product	Versions
Tp-Link	Tl-Wr940n V2 Firmware	All versions
Tp-Link	Tl-Wr941nd V5 Firmware	All versions
Tp-Link	Tl-Wr841n V8 Firmware	All versions

References

Timeline

Published: Aug 21, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-39745?

How severe is CVE-2023-39745?

CVE-2023-39745 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.62% probability of exploitation in the next 30 days.

How do I fix CVE-2023-39745?

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-2023-39745?

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

Scan your code now

Source: NVD / NIST