VulnerabilityModified

CVE-2021-45638

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker.

CRITICAL 9.8EPSS 1.47%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.47%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects D6220 before 1.0.0.68, D6400 before 1.0.0.102, D7000v2 before 1.0.0.74, D8500 before 1.0.3.60, DC112A before 1.0.0.56, R6300v2 before 1.0.4.50, R6400 before 1.0.1.68, R7000 before 1.0.11.116, R7100LG before 1.0.0.70, RBS40V before 2.6.2.8, RBW30 before 2.6.2.2, RS400 before 1.5.1.80, R7000P before 1.3.2.132, and R6900P before 1.3.2.132.

CVSS 3.1: 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 1.47% probability · 72th percentile
CISA KEV: Not listed
Weakness: CWE-787
Affected: netgear/d6220 firmware · netgear/d6400 firmware · netgear/d7000v2 firmware · netgear/d8500 firmware · netgear/dc112a firmware · netgear/r6300v2 firmware · netgear/r6400 firmware · netgear/r7000 firmware · netgear/r7100lg firmware · netgear/r7000p firmware · netgear/rbs40v firmware · netgear/rbw30 firmware · netgear/rs400 firmware · netgear/r6900p firmware
Source: cve@mitre.org

References

https://kb.netgear.com/000064496/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-PSV-2020-0464Patch, Vendor Advisory
https://kb.netgear.com/000064496/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-PSV-2020-0464Patch, Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.