CVE-2023-43886

Name: CVE-2023-43886
Creator: NVD / NIST
Published: 2023-11-07T08:15:24.14+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.1/10EPSS 0.65%

Last modified Jun 17, 2026

CVE-2023-43886 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. A buffer overflow in the HTTP server component of Tenda RX9 Pro v22.03.02.20 might allow an authenticated attacker to overwrite memory.. EPSS estimates a 0.65% chance of exploitation in the next 30 days.

Description

A buffer overflow in the HTTP server component of Tenda RX9 Pro v22.03.02.20 might allow an authenticated attacker to overwrite memory.

Metrics

CVSS 3.1

7.1/10

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

EPSS Probability

0.65%

46.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Tenda	Rx9 Pro Firmware	22.03.02.10

References

https://blog.rtlcopymemory.com/tenda-rx9-pro/Exploit, Technical Description, Third Party Advisory
https://blog.rtlcopymemory.com/tenda-rx9-pro/Exploit, Technical Description, Third Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2023-43886?

A buffer overflow in the HTTP server component of Tenda RX9 Pro v22.03.02.20 might allow an authenticated attacker to overwrite memory.

How severe is CVE-2023-43886?

CVE-2023-43886 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 0.65% probability of exploitation in the next 30 days.

How do I fix CVE-2023-43886?

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-2023-43886?

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

Scan your code now

Source: NVD / NIST