What is the CVSS score of CVE-2025-7418?

CVE-2025-7418 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: 0.4%.

Which versions of O3 Firmware are affected by CVE-2025-7418?

A critical remote code execution vulnerability affects Tenda O3V2 routers (version 1.0.0.12) with no patch currently available.

Is there a public PoC exploit available for CVE-2025-7418?

Yes, a public proof-of-concept exploit is available for CVE-2025-7418. Prioritise patching immediately. EPSS: 0.4%.

How to fix or mitigate CVE-2025-7418?

Within 24 hours: Inventory all Tenda O3V2 devices in your environment and isolate affected units from production networks if possible. Within 7 days: Implement network segmentation to restrict access to the vulnerable /goform/setPing endpoint and monitor for exploitation attempts. Within 30 days: Replace affected devices with patched versions or alternative vendors once firmware updates become available, or implement a WAF ruleset to block malicious ping requests.

O3 Firmware CVE-2025-7418

EUVD-2025-21088 HIGH

Buffer Overflow (CWE-119)

2025-07-10 cna@vuldb.com

Buffer Overflow O3 Firmware Tenda

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 16, 2026 - 06:52 euvd

EUVD-2025-21088

Analysis Generated

Mar 16, 2026 - 06:52 vuln.today

PoC Detected

Jul 16, 2025 - 16:41 vuln.today

Public exploit code

CVE Published

Jul 10, 2025 - 23:15 nvd

HIGH 8.8

DescriptionCVE.org

A vulnerability was found in Tenda O3V2 1.0.0.12(3880) and classified as critical. Affected by this issue is the function fromPingResultGet of the file /goform/setPing of the component httpd. The manipulation of the argument destIP leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.