CVE-2026-34127

MEDIUM

Stored Cross-Site Scripting (XSS) via Configuration File Import on TP-Link's TL-SG108PE

Title source: cna
STIX 2.1

Description

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 attacker with administrator access can inject malicious script into the device configuration, which may be stored and executed in the administrator’s browser when the affected interface is viewed.     Successful exploitation may allow session cookie theft, unauthorized configuration changes, or access to sensitive information exposed through the management interface.

Scores

CVSS v3 4.8
EPSS 0.0024
EPSS Percentile 14.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (2)
tp-link/tl-sg108pe_firmware 1.0.1
TP-Link Systems Inc./TL-SG108PE v5 < 1.0.1 Build 260330
Published May 29, 2026
Tracked Since May 30, 2026