What is CVE-2023-49007?

CVE-2023-49007 is a critical-severity vulnerability in NETGEAR Rbr750, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-12-08.

How severe is CVE-2023-49007?

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

Buffer overflow in NETGEAR Rbr750

CVE-2023-49007

In Netgear Orbi RBR750 firmware before V7.2.6.21, there is a stack-based buffer overflow in /usr/sbin/httpd.

Vulnerability class: Buffer Overflow

Published 2023-12-08 · 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: 0.090 (95.1th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.090 · newest: 0.090 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

github.com/5erua/netgear_orbi_overflow_vulnerability/blob/main/README.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-49007?: CVE-2023-49007 is a critical-severity vulnerability in NETGEAR Rbr750, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-12-08.
How severe is CVE-2023-49007?: Critical severity. CVSS v3 base score is 9.8 out of 10.