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Vulnerability record · CVE-2020-26927 · published 9 October 2020

CVE-2020-26927: Netgear ac2100 firmware vulnerability

Netgear · Ac2100 Firmware

Certain NETGEAR devices are affected by authentication bypass. This affects D6200 before 1.1.00.40, D7000 before 1.0.1.78, R6020 before 1.0.0.42, R6080 before 1.0.0.42, R6050 before 1.0.1.26, JR6150 before 1.0.1.26, R6120 before 1.0.0.66, R6220 before 1.1.0.100, R6260 before 1.1.0.66, R6700v2 before 1.2.0.62, R6800 before 1.2.0.62, R6900v2 before 1.2.0.62, AC2100 before 1.2.0.62, AC2400 before 1.2.0.62, AC2600 before 1.2.0.62, R7450 before 1.2.0.62, and WNR2020 before 1.1.0.62.

9.8 CVSS 3.1 Critical EPSS 1.1% · top 36.7%
9.8CVSS 3.1 base score, v2 7.5
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
17Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Certain NETGEAR devices are affected by authentication bypass. This affects D6200 before 1.1.00.40, D7000 before 1.0.1.78, R6020 before 1.0.0.42, R6080 before 1.0.0.42, R6050 before 1.0.1.26, JR6150 before 1.0.1.26, R6120 before 1.0.0.66, R6220 before 1.1.0.100, R6260 before 1.1.0.66, R6700v2 before 1.2.0.62, R6800 before 1.2.0.62, R6900v2 before 1.2.0.62, AC2100 before 1.2.0.62, AC2400 before 1.2.0.62, AC2600 before 1.2.0.62, R7450 before 1.2.0.62, and WNR2020 before 1.1.0.62.

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

Affected products

17 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2016-10174NETGEAR router buffer overflow in hidden_lang_avi parameterThe NETGEAR WNR2000v5 router contains a buffer overflow in the hidden_lang_avi parameter when invoking the URL /apply.cgi?/lang_check.html. An unauth…KEVEPSS 83%analysed9.8CVE-2021-45637Netgear r6260 firmware out-of-bounds write vulnerabilityCertain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects R6260 before 1.1.0.76, R6800 befor…EPSS 1.2%9.8CVE-2021-45644Netgear ac2100 firmware vulnerabilityCertain NETGEAR devices are affected by incorrect configuration of security settings. This affects AC2100 before 1.2.0.88, AC2400 before 1.2.0.88, AC…EPSS 1.1%9.8CVE-2021-45511Netgear ac2100 firmware vulnerabilityCertain NETGEAR devices are affected by authentication bypass. This affects AC2100 before 2021-08-27, AC2400 before 2021-08-27, AC2600 before 2021-08…EPSS 18%9.8CVE-2021-45512Netgear d7000 firmware broken cryptographic algorithm vulnerabilityCertain NETGEAR devices are affected by weak cryptography. This affects D7000v2 before 1.0.0.62, D8500 before 1.0.3.50, EX3700 before 1.0.0.84, EX380…EPSS 0.54%9.8CVE-2021-45501Netgear ac2400 firmware vulnerabilityCertain NETGEAR devices are affected by authentication bypass. This affects AC2400 before 1.1.0.84, AC2600 before 1.1.0.84, D7000 before 1.0.1.82, R6…EPSS 1.9%9.8CVE-2021-45495Netgear d7000 firmware vulnerabilityNETGEAR D7000 devices before 1.0.1.68 are affected by authentication bypass.EPSS 1.6%9.8CVE-2021-45496Netgear d7000 firmware vulnerabilityNETGEAR D7000 devices before 1.0.1.82 are affected by authentication bypass.EPSS 1.7%

Source: NIST National Vulnerability Database (record CVE-2020-26927), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.