What is CVE-2017-18770?

CVE-2017-18770 is a medium-severity vulnerability in NETGEAR Plw1000, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.8/10. Published 2020-04-22.

How severe is CVE-2017-18770?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Buffer overflow in NETGEAR Plw1000

CVE-2017-18770

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects R7800 before 1.0.2.36, PLW1000v2 before 1.0.0.14, and PLW1010v2 before 1.0.0.14.

Vulnerability class: Buffer Overflow

Published 2020-04-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (45.7th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Weakness classification (CWE)

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

References

kb.netgear.com/000051473/Security-Advisory-for-Post-Authentication-Buffer-Overf… (Vendor Advisory)

Frequently asked questions

What is CVE-2017-18770?: CVE-2017-18770 is a medium-severity vulnerability in NETGEAR Plw1000, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.8/10. Published 2020-04-22.
How severe is CVE-2017-18770?: Medium severity. CVSS v3 base score is 6.8 out of 10.