Medium severity5.4NVD Advisory· Published Apr 18, 2025· Updated Jun 17, 2026

CVE-2025-25427

Description

A stored cross-site scripting (XSS) vulnerability in the upnp.htm page of the web Interface in TP-Link WR841N v14/v14.6/v14.8 <= Build 241230 Rel. 50788n allows remote attackers to inject arbitrary JavaScript code via the port mapping description. This leads to an execution of the JavaScript payload when the upnp page is loaded.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

TP-Link/Wr841n Firmware
cpe:2.3:o:tp-link:wr841n_firmware:*:*:*:*:*:*:*:*
Range: <=241230
TP-Link/Tl Wr841nllm-create2 versions
<= Build 241230 Rel. 50788n+ 1 more
- (no CPE)range: <= Build 241230 Rel. 50788n
- (no CPE)range: 0

Patches

Vulnerability mechanics

References

github.com/slin99/2025-25427/blob/master/readme.mdnvdExploitThird Party Advisory
www.tp-link.com/us/support/faq/4415/nvdVendor Advisory
www.tp-link.com/us/support/download/tl-wr841n/nvdProduct

News mentions

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cvss	0.351
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000