Certain NETGEAR devices are affected by password reset by an unauthenticated attacker.

published 2021-03-23 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-15721

cvss: 8.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 37%
public exploits: 0; none known

Certain NETGEAR devices are affected by password reset by an unauthenticated attacker. This affects RBK852 before 3.2.10.11, RBK853 before 3.2.10.11, RBR854 before 3.2.10.11, RBR850 before 3.2.10.11, RBS850 before 3.2.10.11, CBR40 before 2.5.0.10, R7000 before 1.0.11.116, R6900P before 1.3.2.126, R7900 before 1.0.4.38, R7960P before 1.4.1.66, R8000 before 1.0.4.66, R7900P before 1.4.1.66, R8000P before 1.4.1.66, RAX75 before 1.0.3.102, RAX80 before 1.0.3.102, and R7000P before 1.3.2.126.

Patch / fix

fixed in 16

netgear rbk852_firmware 3.2.10.11
netgear rbk853_firmware 3.2.10.11
netgear rbr854_firmware 3.2.10.11
netgear rbr850_firmware 3.2.10.11
netgear rbs850_firmware 3.2.10.11
netgear cbr40_firmware 2.5.0.10
netgear r7000_firmware 1.0.11.116
netgear r6900p_firmware 1.3.2.126
netgear r7900_firmware 1.0.4.38
netgear r7960p_firmware 1.4.1.66
netgear r8000_firmware 1.0.4.66
netgear r7900p_firmware 1.4.1.66
netgear r8000p_firmware 1.4.1.66
netgear rax75_firmware 1.0.3.102
netgear rax80_firmware 1.0.3.102
netgear r7000p_firmware 1.3.2.126

Exploit prediction

0.43% chance of exploitation in the next 30 days, higher than 37% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.1	CVSS:3.1/AC:L/AV:A/A:N/C:H/I:H/PR:N/S:U/UI:N
CNA	3.1	8.1	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
NVD	3.1	8.1	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
NVD	2.0	4.8	AV:A/AC:L/Au:N/C:P/I:P/A:N

Classification

Weakness

CWE-640 Weak Password Recovery Mechanism for Forgotten Password

References

kb.netgear.com /000063007/Security-Advisory-for-Pre-authentication-Password-Reset-on-Some-Routers-and-WiFi-Systems-PSV-2019-0
vendor-advisory

Sources

CVE List CVE-2021-29080
NVD CVE-2021-29080

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary