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CVE-2026-34127

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

Published: May 29, 2026Updated: Jun 1, 2026 Sources: CVE List NVDCWE-79
NVD MITRE
4.8CVSSMEDIUM
EPSS Score
0.2%
Top 85.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:HUI:RS:CC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-79

Affected Products

tl-sg108pe firmwaretp-linkNetworking Infrastructure
TL-SG108PE v5TP-Link Systems Inc.Networking Infrastructure
tp-linkcommercialTWNetworking Infrastructureaka tp-link, tp link
tp-link systems inc.commercialCNNetworking Infrastructureaka tp-link

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://www.tp-link.com/en/support/download/tl-sg108pe/v5/#Firmware
tp-link.com
https://www.tp-link.com/us/support/download/tl-sg108pe/v5/#Firmware
tp-link.com
https://www.tp-link.com/us/support/faq/5110/
tp-link.com

Timeline

Published
May 29, 2026
Last Updated
Jun 1, 2026

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