What is CVE-2025-29359?

CVE-2025-29359 is a high-severity vulnerability in Tenda Rx3, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2025-03-13.

How severe is CVE-2025-29359?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Tenda Rx3

CVE-2025-29359

Tenda RX3 US_RX3V1.0br_V16.03.13.11_multi_TDE01 is vulnerable to Buffer Overflow via the deviceId parameter at /goform/saveParentControlInfo. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted packet.

Vulnerability class: Buffer Overflow

Published 2025-03-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.005 (41.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 41.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000

Affected products

Tenda Rx3 — versions 1.0br
Tenda Rx3 Firmware — versions 16.03.13.11_multi_tde01

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

github.com/2664521593/mycve/blob/main/Tenda/RX3/tenda_rx3_bof_6.pdf (Exploit)

Frequently asked questions

What is CVE-2025-29359?: CVE-2025-29359 is a high-severity vulnerability in Tenda Rx3, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2025-03-13.
How severe is CVE-2025-29359?: High severity. CVSS v3 base score is 7.5 out of 10.