What is the CVSS score of CVE-2025-29363?

CVE-2025-29363 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.1%.

Which versions of Rx3 Firmware are affected by CVE-2025-29363?

Organizations using Tenda RX3 US_RX3V1.0br_V16.03.13.11_multi_TDE01 face notable risk from CVE-2025-29363, a buffer overflow vulnerability rated CVSS 7.5.

Is there a public PoC exploit available for CVE-2025-29363?

Yes, a public proof-of-concept exploit is available for CVE-2025-29363. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2025-29363?

Within 7 days: Identify all affected systems and apply vendor patches promptly. If patching is delayed, consider network segmentation to limit exposure.

Rx3 Firmware CVE-2025-29363

HIGH

Classic Buffer Overflow (CWE-120)

2025-03-13 cve@mitre.org

Tenda Buffer Overflow Denial Of Service Rx3 Firmware

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:31 vuln.today

PoC Detected

Aug 25, 2025 - 02:14 vuln.today

Public exploit code

CVE Published

Mar 13, 2025 - 14:15 nvd

HIGH 7.5

DescriptionCVE.org

Tenda RX3 US_RX3V1.0br_V16.03.13.11_multi_TDE01 is vulnerable to buffer overflow via the schedStartTime and schedEndTime parameters at /goform/saveParentControlInfo. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted packet.

AnalysisAI

Tenda RX3 US_RX3V1.0br_V16.03.13.11_multi_TDE01 is vulnerable to buffer overflow via the schedStartTime and schedEndTime parameters at /goform/saveParentControlInfo. Rated high severity (CVSS 7.5), 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 RX3 US_RX3V1.0br_V16.03.13.11_multi_TDE01 is vulnerable to buffer overflow via the schedStartTime and schedEndTime parameters at /goform/saveParentControlInfo. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted packet. Affected products include: Tenda Rx3 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.