What is CVE-2025-55605?

CVE-2025-55605 is a high-severity vulnerability in Tenda Ax3, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2025-08-22.

How severe is CVE-2025-55605?

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

Is CVE-2025-55605 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Tenda Ax3

CVE-2025-55605

Tenda AX3 V16.03.12.10_CN is vulnerable to Buffer Overflow in the saveParentControlInfo function via the deviceName parameter.

Vulnerability class: Buffer Overflow

Published 2025-08-22 · 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: 0.004 (32.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 32.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Tenda Ax3
Tenda Ax3 Firmware — versions 16.03.12.10_cn

Weakness classification (CWE)

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

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

github.com/wudipjq/my_vuln/blob/main/Tenda3/vuln_46/46.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-55605?: CVE-2025-55605 is a high-severity vulnerability in Tenda Ax3, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2025-08-22.
How severe is CVE-2025-55605?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2025-55605 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.