What is the CVSS score of CVE-2025-29137?

CVE-2025-29137 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.2%.

Which versions of Ac7 Firmware are affected by CVE-2025-29137?

CVE-2025-29137 presents critical security risk, a buffer overflow vulnerability rated CVSS 9.8.

Is there a public PoC exploit available for CVE-2025-29137?

Yes, a public proof-of-concept exploit is available for CVE-2025-29137. Prioritise patching immediately. EPSS: 0.2%.

How to fix or mitigate CVE-2025-29137?

Within 24 hours: Identify all affected systems and apply vendor patches immediately. If patching is delayed, consider network segmentation to limit exposure.

Ac7 Firmware CVE-2025-29137

CRITICAL

Classic Buffer Overflow (CWE-120)

2025-03-19 cve@mitre.org

Tenda Buffer Overflow Ac7 Firmware

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:32 vuln.today

PoC Detected

Apr 01, 2025 - 20:37 vuln.today

Public exploit code

CVE Published

Mar 19, 2025 - 16:15 nvd

CRITICAL 9.8

DescriptionCVE.org

Tenda AC7 V1.0 V15.03.06.44 found a buffer overflow caused by the timeZone parameter in the form_fast_setting_wifi_set function, which can cause RCE.

AnalysisAI

Tenda AC7 V1.0 V15.03.06.44 found a buffer overflow caused by the timeZone parameter in the form_fast_setting_wifi_set function, which can cause RCE. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. Tenda AC7 V1.0 V15.03.06.44 found a buffer overflow caused by the timeZone parameter in the form_fast_setting_wifi_set function, which can cause RCE. Affected products include: Tenda Ac7 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.