What is CVE-2023-34563?

CVE-2023-34563 is a critical-severity vulnerability in Netgear R6250, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2023-06-20.

How severe is CVE-2023-34563?

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

Is CVE-2023-34563 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Netgear R6250

CVE-2023-34563

netgear R6250 Firmware Version 1.0.4.48 is vulnerable to Buffer Overflow after authentication.

Vulnerability class: Buffer Overflow

EPSS: 0.139 (96.1th percentile) — read the EPSS interpretation.

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.

Affected products

Netgear R6250
Netgear R6250_firmware — versions 1.0.4.48
N/a — versions n/a

Weakness classification (CWE)

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

Public proof-of-concept exploits

attilaszia/linux-iot-cves

References

cve@mitre.org (Vendor Advisory)
cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-34563?: CVE-2023-34563 is a critical-severity vulnerability in Netgear R6250, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2023-06-20.
How severe is CVE-2023-34563?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-34563 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.