Read the docs
TI-2026-26448 Aliases CVE-2026-34127GHSA-pmw4-462f-6fp3

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

Priority LOW 24CWE-79Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
High
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · Low · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00239 15th percentileScored 2026-11-07
Fix Fixed TL-SG108PE v5 (TP-Link Systems Inc.): 1.0.1 Build 260330

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
TP-LinkTL-SG108PE v5before 1.0.1 Build 2603301.0.1 Build 260330Patch availableCNA
  • TL-SG108PE v5 VendorTP-Link Affected before 1.0.1 Build 260330 Fixed in 1.0.1 Build 260330 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:tp-link:tl-sg108pe_firmware:1.0.1:*:*:*:*:*:*:*1.0.1VulnerableTP-Link
cpe:2.3:h:tp-link:tl-sg108pe:5.0:*:*:*:*:*:*:*5.0Running onTP-Link
  • cpe:2.3:o:tp-link:tl-sg108pe_firmware:1.0.1:*:*:*:*:*:*:* Versions 1.0.1 Vulnerable ·TP-Link
  • cpe:2.3:h:tp-link:tl-sg108pe:5.0:*:*:*:*:*:*:* Versions 5.0 Running on ·TP-Link

Remediation

  • Fix · CNA TL-SG108PE v5 (TP-Link Systems Inc.) Fixed in 1.0.1 Build 260330

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-34127
  2. 2026-10-03 Alias added: GHSA-pmw4-462f-6fp3

References

Patch 2

Advisory 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences