CVE-2026-3294
What it is
An authentication logic vulnerability in multiple TP-Link range extenders allows an unauthenticated attacker on an adjacent network to manipulate a login parameter and reset the administrator password due to insufficient validation. Successful exploitation allows an attacker to obtain full administrative control of the affected device, potentially impacting on confidentiality, integrity, and availability.
At a glance
- Exploitability
- Can be exploited from the same network segment without logging in. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 0.4% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Details
- Published
- Last modified
- Exploit probability
- 0.4% · EPSS, next 30 days
- Weakness
- CWE-20 · Improper input validation
- Record status
- Analyzed
Affected
- TP-Link re305 Firmware < 20260515
- TP-Link re360 Firmware < 20260515
- TP-Link re580d Firmware < 20260515
- TP-Link re650 Firmware < 20260429
- TP-Link tl-wa860re Firmware < 20260515
Attack profile CVSS 4.0 · 8.7
- Attack vector
- Adjacent network
- Complexity
- Low
- Attack requirements
- None
- Privileges needed
- None
- User interaction
- None
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Fix and advisories
References
- https://www.tp-link.com/en/support/download/re305/v1/#Firmware
- https://www.tp-link.com/en/support/download/re360/v1/#Firmware
- https://www.tp-link.com/en/support/download/re580d/#Firmware
- https://www.tp-link.com/en/support/download/re650/v1/#Firmware
- https://www.tp-link.com/en/support/download/tl-wa860re/v4/#Firmware
- https://www.tp-link.com/us/support/download/re305/v1/#Firmware
- https://www.tp-link.com/us/support/download/re360/v1/#Firmware
- https://www.tp-link.com/us/support/download/re580d/#Firmware
- https://www.tp-link.com/us/support/download/re650/v1/#Firmware
- https://www.tp-link.com/us/support/download/tl-wa860re/v4/#Firmware
- https://www.tp-link.com/us/support/faq/5101/