CVE-2026-3294
CVE-2026-3294 is a high-severity vulnerability in Tp-link Re305 Firmware with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-862.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v4: 8.7
- EPSS exploit prediction: 0% (32nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-31502
- Weakness: CWE-862
- Affected product: Tp-link Re305 Firmware
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2026-3294?
- 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.
- How severe is CVE-2026-3294?
- CVE-2026-3294 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-3294 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-3294?
- CVE-2026-3294 primarily affects Tp-link Re305 Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2026-3294?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-3294 have an EU (EUVD) identifier?
- Yes. CVE-2026-3294 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31502.
- When was CVE-2026-3294 published?
- CVE-2026-3294 was published on 2026-05-22 and last updated on 2026-06-17.
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/
Affected products (5)
- cpe:2.3:o:tp-link:re305_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:tp-link:re360_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:tp-link:re580d_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:tp-link:re650_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:tp-link:tl-wa860re_firmware:*:*:*:*:*:*:*:*
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