What is CVE-2025-29044?

CVE-2025-29044 is a critical-severity vulnerability in NETGEAR R6100, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2025-04-17.

How severe is CVE-2025-29044?

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

Buffer overflow in NETGEAR R6100

CVE-2025-29044

Buffer Overflow vulnerability in Netgear- R61 router V1.0.1.28 allows a remote attacker to execute arbitrary code via the QUERY_STRING key value

Vulnerability class: Buffer Overflow

Published 2025-04-17 · 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: 0.011 (63.8th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 63.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.011 · change: +0.001

Affected products

NETGEAR R6100
NETGEAR R6100 Firmware — versions 1.0.1.28

Weakness classification (CWE)

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

References

github.com/xyqer1/Netgear-R6100-cgiMain-QUERY_STRING-StackOverflow (Exploit, Third Party Advisory)
gist.github.com/xyqer1/09fe6488a6655776c8c5d33e630a0f2a (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-29044?: CVE-2025-29044 is a critical-severity vulnerability in NETGEAR R6100, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2025-04-17.
How severe is CVE-2025-29044?: Critical severity. CVSS v3 base score is 9.8 out of 10.