What is CVE-2023-28478?

CVE-2023-28478 is a high-severity vulnerability in TP-Link Ec70, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2023-06-12.

How severe is CVE-2023-28478?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in TP-Link Ec70

CVE-2023-28478

TP-Link EC-70 devices through 2.3.4 Build 20220902 rel.69498 have a Buffer Overflow.

Vulnerability class: Buffer Overflow

Published 2023-06-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (26.4th percentile), scored 2026-10-08.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

github.com/mandiant/Vulnerability-Disclosures/blob/master/2023/MNDT-2023-0006.md (Third Party Advisory)

Frequently asked questions

What is CVE-2023-28478?: CVE-2023-28478 is a high-severity vulnerability in TP-Link Ec70, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2023-06-12.
How severe is CVE-2023-28478?: High severity. CVSS v3 base score is 8.8 out of 10.