What is CVE-2026-15141?
The web interface of the affected device relies on the HTTP referrer header as part of request validation. Requests containing empty Referer value, or omitting the Referer header entirely, may be accepted and processed due to insufficient validation logic. Successful exploitation may allow an adjacent attacker with access to the web management interface to obtain device configuration details and other sensitive information.
The record classifies CVE-2026-15141 under weakness class CWE-346. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 54 days ago.
Severity and exploitation probability
- CVSS v4.0 base score
- 5.3 — Medium (derived from score)
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N - CISA KEV
- Not listed in the CISA Known Exploited Vulnerabilities catalog
- Threadlinqs priority
- 2.7/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- Published
- 2026-08-12, last modified 2026-08-13
Is CVE-2026-15141 being exploited?
It currently carries a trending score of 30 in the Threadlinqs vulnerability feed.
Affected products and versions
- TP-Link Systems Inc.: TL-WR820N v2
How to fix CVE-2026-15141
No vendor patch reference has been recorded for CVE-2026-15141 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.
Threat activity tracking CVE-2026-15141
No threat campaign in the Threadlinqs corpus currently references CVE-2026-15141, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.
Sources
Enriched from CVE.org, NVD. Last verified by Threadlinqs on . This product uses the NVD API but is not endorsed or certified by the NVD.