CVE-2021-45610

26.12.2021, 01:15

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D6220 before 1.0.0.66, D6400 before 1.0.0.100, D7000v2 before 1.0.0.66, D8500 before 1.0.3.58, DC112A before 1.0.0.52, DGN2200v4 before 1.0.0.118, EAX80 before 1.0.1.64, R6250 before 1.0.4.48, R7000 before 1.0.11.110, R7100LG before 1.0.0.72, R7900 before 1.0.4.30, R7960P before 1.4.1.64, R8000 before 1.0.4.62, RAX200 before 1.0.3.106, RS400 before 1.5.1.80, XR300 before 1.0.3.68, R6400v2 before 1.0.4.106, R7000P before 1.3.2.132, R8000P before 1.4.1.64, RAX20 before 1.0.2.82, RAX45 before 1.0.2.82, RAX80 before 1.0.3.106, R6700v3 before 1.0.4.106, R6900P before 1.3.2.132, R7900P before 1.4.1.64, RAX15 before 1.0.2.82, RAX50 before 1.0.2.82, and RAX75 before 1.0.3.106.

Classic Buffer Overflow

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	NIST	9.6 CRITICAL	ADJACENT_NETWORK	LOW	NONE	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
mitre	CNA	9.6 CRITICAL	ADJACENT_NETWORK	LOW	NONE	CVSS:3.1/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:C/UI:N
CVE	ADP	---				---

Base Score

CVSS 3.x

EPSS Score

Percentile: 52%

Vendor	Product	Version
netgear	d6220_firmware	𝑥 < 1.0.0.66
netgear	d6400_firmware	𝑥 < 1.0.0.100
netgear	d7000v2_firmware	𝑥 < 1.0.0.66
netgear	d8500_firmware	𝑥 < 1.0.3.58
netgear	dc112a_firmware	𝑥 < 1.0.0.52
netgear	dgn2200v4_firmware	𝑥 < 1.0.0.118
netgear	eax80_firmware	𝑥 < 1.0.1.64
netgear	r6250_firmware	𝑥 < 1.0.4.48
netgear	r7000_firmware	𝑥 < 1.0.11.110
netgear	r7000p_firmware	𝑥 < 1.3.2.132
netgear	r8000_firmware	𝑥 < 1.0.4.62
netgear	r8000p_firmware	𝑥 < 1.4.1.64
netgear	r7100lg_firmware	𝑥 < 1.0.0.72
netgear	r7900_firmware	𝑥 < 1.0.4.30
netgear	r7900p_firmware	𝑥 < 1.4.1.64
netgear	r7960p_firmware	𝑥 < 1.4.1.64
netgear	r6900p_firmware	𝑥 < 1.3.2.132
netgear	r6400v2_firmware	𝑥 < 1.0.4.106
netgear	r6700v3_firmware	𝑥 < 1.0.4.106
netgear	xr300_firmware	𝑥 < 1.0.3.68
netgear	rs400_firmware	𝑥 < 1.5.1.80
netgear	rax200_firmware	𝑥 < 1.0.3.106
netgear	rax20_firmware	𝑥 < 1.0.2.82
netgear	rax45_firmware	𝑥 < 1.0.2.82
netgear	rax80_firmware	𝑥 < 1.0.3.106
netgear	rax15_firmware	𝑥 < 1.0.2.82
netgear	rax50_firmware	𝑥 < 1.0.2.82
netgear	rax75_firmware	𝑥 < 1.0.3.106

𝑥

= Vulnerable software versions

Common Weakness Enumeration

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
The program copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

References

https://kb.netgear.com/000064487/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2020-0322