What is CVE-2025-45779?

CVE-2025-45779 is a critical-severity vulnerability in Tenda Ac10, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2025-05-12.

How severe is CVE-2025-45779?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Tenda Ac10

CVE-2025-45779

Tenda AC10 V1.0re_V15.03.06.46 is vulnerable to Buffer Overflow in the formSetPPTPUserList handler via the list POST parameter.

Vulnerability class: Buffer Overflow

Published 2025-05-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.065 (93.5th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 93.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.065 · newest: 0.065 · change: 0.000

Affected products

Tenda Ac10 — versions 1.0
Tenda Ac10 Firmware — versions 15.03.06.46

Weakness classification (CWE)

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

References

www.tendacn.com/us/download/detail-3782.html (Product)
github.com/sunyou-iot/iot-vul/blob/main/TendaAC10/CVE-2025-45779/README.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-45779?: CVE-2025-45779 is a critical-severity vulnerability in Tenda Ac10, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2025-05-12.
How severe is CVE-2025-45779?: Critical severity. CVSS v3 base score is 9.8 out of 10.