CVE-2023-34354

Name: CVE-2023-34354
Creator: NVD / NIST
Published: 2023-10-11T16:15:13.233+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.81%

Last modified Jun 17, 2026

CVE-2023-34354 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. A stored cross-site scripting (XSS) vulnerability exists in the upload_brand.cgi functionality of peplink Surf SOHO HW1 v6.3.5 (in QEMU). A specially crafted HTTP request can lead to execution of arbitrary javascript in another user's browser. EPSS estimates a 0.81% chance of exploitation in the next 30 days.

Description

A stored cross-site scripting (XSS) vulnerability exists in the upload_brand.cgi functionality of peplink Surf SOHO HW1 v6.3.5 (in QEMU). A specially crafted HTTP request can lead to execution of arbitrary javascript in another user's browser. An attacker can make an authenticated HTTP request to trigger this vulnerability.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.81%

52.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Peplink	Surf Soho Firmware	6.3.5

References

https://talosintelligence.com/vulnerability_reports/TALOS-2023-1781Exploit, Product, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1781Exploit, Product, Third Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1781

Timeline

Published: Oct 11, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-34354?

How severe is CVE-2023-34354?

CVE-2023-34354 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.81% probability of exploitation in the next 30 days.

How do I fix CVE-2023-34354?

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-2023-34354?

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

Scan your code now

Source: NVD / NIST