What is CVE-2021-34979?

CVE-2021-34979 is a high-severity vulnerability in Netgear R6260, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2022-01-13.

How severe is CVE-2021-34979?

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

Buffer overflow in Netgear R6260

CVE-2021-34979

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6260 1.1.0.78_1.0.1 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within…

Vulnerability class: Buffer Overflow

EPSS: 0.014 (68.6th percentile) — read the EPSS interpretation.

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.

Affected products

Netgear R6260 — versions 1.1.0.78_1.0.1
Netgear R6260_firmware — versions 1.1.0.78_1.0.1

Weakness classification (CWE)

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

References

zdi-disclosures@trendmicro.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
zdi-disclosures@trendmicro.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-34979?: CVE-2021-34979 is a high-severity vulnerability in Netgear R6260, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2022-01-13.
How severe is CVE-2021-34979?: High severity. CVSS v3 base score is 8.8 out of 10.