What is the CVSS score of CVE-2025-6568?

CVE-2025-6568 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.3%.

Which versions of Ex1200t Firmware are affected by CVE-2025-6568?

A critical buffer overflow vulnerability in TOTOLIK EX1200T routers allows remote attackers to execute arbitrary code without authentication.

Is there a public PoC exploit available for CVE-2025-6568?

Yes, a public proof-of-concept exploit is available for CVE-2025-6568. Prioritise patching immediately. EPSS: 0.3%.

How to fix or mitigate CVE-2025-6568?

Within 24 hours: Inventory all TOTOLINK EX1200T devices in your network and isolate any running firmware version 4.1.2cu.5232_B20210713 from untrusted networks. Within 7 days: Apply network segmentation to restrict direct internet access to affected devices and implement enhanced monitoring for suspicious HTTP POST requests to the /boafrm/formIpv6Setup endpoint. Within 30 days: Replace affected devices with alternative vendors or contact TOTOLINK for patched firmware availability; if replacement is not feasible, maintain strict network access controls and prepare incident response procedures.

Ex1200t Firmware CVE-2025-6568

EUVD-2025-19031 HIGH

Buffer Overflow (CWE-119)

2025-06-24 cna@vuldb.com

Buffer Overflow TP-Link RCE Ex1200t Firmware TOTOLINK

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

EUVD ID Assigned

Mar 15, 2026 - 22:36 euvd

EUVD-2025-19031

Analysis Generated

Mar 15, 2026 - 22:36 vuln.today

PoC Detected

Jun 27, 2025 - 16:43 vuln.today

Public exploit code

CVE Published

Jun 24, 2025 - 15:15 nvd

HIGH 8.8

DescriptionCVE.org

A vulnerability classified as critical has been found in TOTOLINK EX1200T 4.1.2cu.5232_B20210713. Affected is an unknown function of the file /boafrm/formIpv6Setup of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.