What is CVE-2025-50641?

CVE-2025-50641 is a medium-severity vulnerability in Tenda Ac6, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.5/10. Published 2025-07-01.

How severe is CVE-2025-50641?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Buffer overflow in Tenda Ac6

CVE-2025-50641

Tenda AC6 15.03.05.16_multi is vulnerable to Buffer Overflow in the addWifiMacFilter function via the parameter deviceId.

Vulnerability class: Buffer Overflow

Published 2025-07-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (32.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.1% 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 Ac6
Tenda Ac6 Firmware — versions 15.03.05.16_multi

Weakness classification (CWE)

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

References

github.com/faqiadegege/IoTVuln/blob/main/tendaAC6_addWifiMacFilter_deviceId_ove… (Exploit, Third Party Advisory)
github.com/xiaotea/iot-vulnerability-collection/blob/main/README.md

Frequently asked questions

What is CVE-2025-50641?: CVE-2025-50641 is a medium-severity vulnerability in Tenda Ac6, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.5/10. Published 2025-07-01.
How severe is CVE-2025-50641?: Medium severity. CVSS v3 base score is 6.5 out of 10.