CVE-2023-27217

Name: CVE-2023-27217
Creator: NVD / NIST
Published: 2023-05-18T03:15:11.453+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.99%

Last modified Jun 17, 2026

CVE-2023-27217 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A stack-based buffer overflow in the ChangeFriendlyName() function of Belkin Smart Outlet V2 F7c063 firmware_2.00.11420.OWRT.PVT_SNSV2 allows attackers to cause a Denial of Service (DoS) via a crafted UPNP request.. EPSS estimates a 0.99% chance of exploitation in the next 30 days.

Description

A stack-based buffer overflow in the ChangeFriendlyName() function of Belkin Smart Outlet V2 F7c063 firmware_2.00.11420.OWRT.PVT_SNSV2 allows attackers to cause a Denial of Service (DoS) via a crafted UPNP request.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

0.99%

58.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Belkin	F7c063 Firmware	2.00.11420.owrt.pvt_snsv2

References

https://sternumiot.com/iot-blog/mini-smart-plug-v2-vulnerability-buffer-overflow/Exploit, Third Party Advisory
https://sternumiot.com/iot-blog/mini-smart-plug-v2-vulnerability-buffer-overflow/Exploit, Third Party Advisory

Timeline

Published: May 18, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-27217?

How severe is CVE-2023-27217?

CVE-2023-27217 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.99% probability of exploitation in the next 30 days.

How do I fix CVE-2023-27217?

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-2023-27217?

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

Scan your code now

Source: NVD / NIST