What is CVE-2026-34127?

CVE-2026-34127 is a medium-severity vulnerability in Tp-link Tl-sg108pe, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2026-05-29.

How severe is CVE-2026-34127?

Medium severity. CVSS v3 base score is 4.8 out of 10.

XSS in Tp-link Tl-sg108pe

CVE-2026-34127

A stored cross-site scripting (XSS) vulnerability has been identified in the web management interface of TP-Link's TL-SG108PE v5 switch due to improper sanitation of the SYSNAM configuration parameter during configuration file import. An a…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (12.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

Affected products

Tp-link Tl-sg108pe — versions 5.0
Tp-link Tl-sg108pe_firmware — versions 1.0.1
Tp-link Systems Inc. Tl-sg108pe V5 — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

f23511db-6c3e-4e32-a477-6aa17d310630 (Product, patch)
f23511db-6c3e-4e32-a477-6aa17d310630 (Product, patch)
f23511db-6c3e-4e32-a477-6aa17d310630 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-34127?: CVE-2026-34127 is a medium-severity vulnerability in Tp-link Tl-sg108pe, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2026-05-29.
How severe is CVE-2026-34127?: Medium severity. CVSS v3 base score is 4.8 out of 10.