CVE-2021-45647 [Medium] | Information Disclosure in Eax80 Firmware

Certain NETGEAR devices are affected by disclosure of sensitive information. This affects EAX80 before 1.0.1.62, EX7000 before 1.0.1.104, R6120 before 1.0.0.76, R6220 before 1.1.0.110, R6230 before 1.1.0.110, R6260 before 1.1.0.78, R6850 before 1.1.0.78, R6350 before 1.1.0.78, R6330 before 1.1.0.78, R6800 before 1.2.0.76, R6900v2 before 1.2.0.76, R6700v2 before 1.2.0.76, R7000 before 1.0.11.116, R6900P before 1.3.3.140, R7000P before 1.3.3.140, R7200 before 1.2.0.76, R7350 before 1.2.0.76, R7400 before 1.2.0.76, R7450 before 1.2.0.76, AC2100 before 1.2.0.76, AC2400 before 1.2.0.76, AC2600 before 1.2.0.76, R7900 before 1.0.4.38, R7960P before 1.4.1.66, R8000 before 1.0.4.68, R7900P before 1.4.1.66, R8000P before 1.4.1.66, RAX15 before 1.0.2.82, RAX20 before 1.0.2.82, RAX200 before 1.0.3.106, RAX45 before 1.0.2.72, RAX50 before 1.0.2.72, RAX75 before 1.0.3.106, and RAX80 before 1.0.3.106.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-15	0.27%	1.30%	+1.04%
2	2025-08-09	0.24%	0.27%	+0.03%
3	2025-03-30	—	0.24%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

0.27%

1.30%

+1.04%

2025-08-09

0.24%

0.27%

+0.03%

2025-03-30

—

0.24%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
6.5	3.1	MEDIUM	`CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N` Click to expand Attack vector (AV:A) Attacker has to be nearby on the network—same office, same link, that vibe—not the whole wide internet. Attack complexity (AC:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. Privileges required (PR:N) No account or special rights needed—anonymous or random user is enough. User interaction (UI:N) Nobody has to click “OK” or open a trap file; it can work without a victim helping. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:H) Serious risk that confidential data gets exposed in a big way. Integrity (I:N) Data isn’t meaningfully altered or forged. Availability (A:N) Service keeps running; no real outage angle.	2.8	3.6	[email protected]
7.5	3.1	HIGH	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N` Click to expand Attack vector (AV:N) Could be attacked over the internet or any normal routed network—not just someone sitting at the machine. Attack complexity (AC:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. Privileges required (PR:N) No account or special rights needed—anonymous or random user is enough. User interaction (UI:N) Nobody has to click “OK” or open a trap file; it can work without a victim helping. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:H) Serious risk that confidential data gets exposed in a big way. Integrity (I:N) Data isn’t meaningfully altered or forged. Availability (A:N) Service keeps running; no real outage angle.	3.9	3.6	[email protected]
5.0	2.0	MEDIUM	`AV:N/AC:L/Au:N/C:P/I:N/A:N` Click to expand Access vector (AV:N) Can be exploited remotely over network reachability. Access complexity (AC:L) Exploitation conditions are straightforward and predictable. Authentication (AU:N) No authentication is required. Confidentiality impact (C:P) Partial confidentiality impact. Integrity impact (I:N) No integrity impact. Availability impact (A:N) No availability impact.	10.0	2.9	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

6.5

3.1

MEDIUM

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Click to expand

Attack vector (AV:A): Attacker has to be nearby on the network—same office, same link, that vibe—not the whole wide internet.
Attack complexity (AC:L): Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N): No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N): Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H): Serious risk that confidential data gets exposed in a big way.
Integrity (I:N): Data isn’t meaningfully altered or forged.
Availability (A:N): Service keeps running; no real outage angle.

2.8

3.6

[email protected]

7.5

3.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Click to expand

Attack vector (AV:N): Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L): Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N): No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N): Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H): Serious risk that confidential data gets exposed in a big way.
Integrity (I:N): Data isn’t meaningfully altered or forged.
Availability (A:N): Service keeps running; no real outage angle.

3.9

3.6

[email protected]

5.0

2.0

MEDIUM

AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand

Access vector (AV:N): Can be exploited remotely over network reachability.
Access complexity (AC:L): Exploitation conditions are straightforward and predictable.
Authentication (AU:N): No authentication is required.
Confidentiality impact (C:P): Partial confidentiality impact.
Integrity impact (I:N): No integrity impact.
Availability impact (A:N): No availability impact.

10.0

2.9

[email protected]

Affected software / configurations for CVE-2021-45647

Vendor	Product	Version	Raw CPE
netgear	eax80_firmware	< 1.0.1.62	cpe:2.3:o:netgear:eax80_firmware::::::::
netgear	ex7000_firmware	< 1.0.1.104	cpe:2.3:o:netgear:ex7000_firmware::::::::
netgear	r6120_firmware	< 1.0.0.76	cpe:2.3:o:netgear:r6120_firmware::::::::
netgear	r6220_firmware	1.1.0.110	cpe:2.3:o:netgear:r6220_firmware:1.1.0.110:::::::*
netgear	r6230_firmware	< 1.1.0.110	cpe:2.3:o:netgear:r6230_firmware::::::::
netgear	r6260_firmware	< 1.1.0.78	cpe:2.3:o:netgear:r6260_firmware::::::::
netgear	r6850_firmware	< 1.1.0.78	cpe:2.3:o:netgear:r6850_firmware::::::::
netgear	r6350_firmware	< 1.1.0.78	cpe:2.3:o:netgear:r6350_firmware::::::::
netgear	r6330_firmware	< 1.1.0.78	cpe:2.3:o:netgear:r6330_firmware::::::::
netgear	r6800_firmware	< 1.2.0.76	cpe:2.3:o:netgear:r6800_firmware::::::::
netgear	r6900v2_firmware	< 1.2.0.76	cpe:2.3:o:netgear:r6900v2_firmware::::::::
netgear	r6700v2_firmware	< 1.2.0.76	cpe:2.3:o:netgear:r6700v2_firmware::::::::
netgear	r7000_firmware	< 1.0.11.116	cpe:2.3:o:netgear:r7000_firmware::::::::
netgear	r7000p_firmware	< 1.3.3.140	cpe:2.3:o:netgear:r7000p_firmware::::::::
netgear	r6900p_firmware	< 1.3.3.140	cpe:2.3:o:netgear:r6900p_firmware::::::::
netgear	r7200_firmware	< 1.2.0.76	cpe:2.3:o:netgear:r7200_firmware::::::::
netgear	r7350_firmware	< 1.2.0.76	cpe:2.3:o:netgear:r7350_firmware::::::::
netgear	r7400_firmware	< 1.2.0.76	cpe:2.3:o:netgear:r7400_firmware::::::::
netgear	r7450_firmware	< 1.2.0.76	cpe:2.3:o:netgear:r7450_firmware::::::::
netgear	ac2100_firmware	< 1.2.0.76	cpe:2.3:o:netgear:ac2100_firmware::::::::
netgear	ac2400_firmware	< 1.2.0.76	cpe:2.3:o:netgear:ac2400_firmware::::::::
netgear	ac2600_firmware	< 1.2.0.76	cpe:2.3:o:netgear:ac2600_firmware::::::::
netgear	r7900_firmware	< 1.0.4.38	cpe:2.3:o:netgear:r7900_firmware::::::::
netgear	r7900p_firmware	< 1.4.1.66	cpe:2.3:o:netgear:r7900p_firmware::::::::
netgear	r7960p_firmware	< 1.4.1.66	cpe:2.3:o:netgear:r7960p_firmware::::::::
netgear	r8000_firmware	< 1.0.4.68	cpe:2.3:o:netgear:r8000_firmware::::::::
netgear	r8000p_firmware	< 1.4.1.66	cpe:2.3:o:netgear:r8000p_firmware::::::::
netgear	rax15_firmware	< 1.0.2.82	cpe:2.3:o:netgear:rax15_firmware::::::::
netgear	rax20_firmware	< 1.0.2.82	cpe:2.3:o:netgear:rax20_firmware::::::::
netgear	rax200_firmware	< 1.0.3.106	cpe:2.3:o:netgear:rax200_firmware::::::::
netgear	rax45_firmware	< 1.0.2.72	cpe:2.3:o:netgear:rax45_firmware::::::::
netgear	rax50_firmware	< 1.0.2.72	cpe:2.3:o:netgear:rax50_firmware::::::::
netgear	rax75_firmware	< 1.0.3.106	cpe:2.3:o:netgear:rax75_firmware::::::::
netgear	rax80_firmware	< 1.0.3.106	cpe:2.3:o:netgear:rax80_firmware::::::::

References for CVE-2021-45647

URL	Tags
https://kb.netgear.com/000064118/Security-Advisory-for-Sensitive-Information-Disclosure-on-Some-Routers-and-Extenders-PSV-2020-0184	Patch Vendor Advisory

URL

CVE-2021-45647

Exploit prediction scoring system (EPSS) score for CVE-2021-45647

Common vulnerability scoring system (CVSS) metrics for CVE-2021-45647

Weakness enumeration for CVE-2021-45647

Affected software / configurations for CVE-2021-45647

References for CVE-2021-45647