What’s Vulnerable › Vulnerabilities
CVE-2020-26913
- Severity: medium (CVSS 6.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.6% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2020-10-09 · updated 2026-06-17
- Weakness: CWE-787
Description
Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D6100 before 1.0.0.63, R7800 before 1.0.2.60, R8900 before 1.0.4.26, R9000 before 1.0.4.26, RBK20 before 2.3.0.28, RBR20 before 2.3.0.28, RBS20 before 2.3.0.28, RBK50 before 2.3.0.32, RBR50 before 2.3.0.32, RBS50 before 2.3.0.32, RBK40 before 2.3.0.28, RBR40 before 2.3.0.28, RBS40 before 2.3.0.28, SRK60 before 2.2.2.20, SRR60 before 2.2.2.20, SRS60 before 2.2.2.20, WN3000RPv2 before 1.0.0.78, WNDR4300v2 before 1.0.0.58, WNDR4500v3 before 1.0.0.58, WNR2000v5 before 1.0.0.70, XR450 before 2.3.2.40, and XR500 before 2.3.2.40.
Affected products
- NETGEAR D6100 Firmware: before 1.0.0.63 — fixed in 1.0.0.63
- NETGEAR R7800 Firmware: before 1.0.2.60 — fixed in 1.0.2.60
- NETGEAR R8900 Firmware: before 1.0.4.26 — fixed in 1.0.4.26
- NETGEAR R9000 Firmware: before 1.0.4.26 — fixed in 1.0.4.26
- NETGEAR Rbk20 Firmware: before 2.3.0.28 — fixed in 2.3.0.28
- NETGEAR Rbk40 Firmware: before 2.3.0.28 — fixed in 2.3.0.28
- NETGEAR Rbk50 Firmware: before 2.3.0.32 — fixed in 2.3.0.32
- NETGEAR Rbr20 Firmware: before 2.3.0.28 — fixed in 2.3.0.28
- NETGEAR Rbr50 Firmware: before 2.3.0.32 — fixed in 2.3.0.32
- NETGEAR Rbs20 Firmware: before 2.3.0.28 — fixed in 2.3.0.28
- NETGEAR Rbs40 Firmware: before 2.3.0.28 — fixed in 2.3.0.28
- NETGEAR Rbs50 Firmware: before 2.3.0.32 — fixed in 2.3.0.32
- NETGEAR Srk60 Firmware: before 2.2.2.20 — fixed in 2.2.2.20
- NETGEAR Srr60 Firmware: before 2.2.2.20 — fixed in 2.2.2.20
- NETGEAR Srs60 Firmware: before 2.2.2.20 — fixed in 2.2.2.20
- NETGEAR Wn3000Rpv2 Firmware: before 1.0.0.78 — fixed in 1.0.0.78
- NETGEAR Wndr4300V2 Firmware: before 1.0.0.58 — fixed in 1.0.0.58
- NETGEAR Wndr4500V3 Firmware: before 1.0.0.58 — fixed in 1.0.0.58
- NETGEAR Wnr2000V5 Firmware: before 1.0.0.70 — fixed in 1.0.0.70
- NETGEAR Xr450 Firmware: before 2.3.2.40 — fixed in 2.3.2.40
- NETGEAR Xr500 Firmware: before 2.3.2.40 — fixed in 2.3.2.40
How to fix
Upgrade to a fixed version: NETGEAR D6100 Firmware 1.0.0.63; NETGEAR R7800 Firmware 1.0.2.60; NETGEAR R8900 Firmware 1.0.4.26; NETGEAR R9000 Firmware 1.0.4.26; NETGEAR Rbk20 Firmware 2.3.0.28; NETGEAR Rbk40 Firmware 2.3.0.28; NETGEAR Rbk50 Firmware 2.3.0.32; NETGEAR Rbr20 Firmware 2.3.0.28; NETGEAR Rbr50 Firmware 2.3.0.32; NETGEAR Rbs20 Firmware 2.3.0.28; NETGEAR Rbs40 Firmware 2.3.0.28; NETGEAR Rbs50 Firmware 2.3.0.32. Check the vendor advisory for mitigations.
References
- https://kb.netgear.com/000062340/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-and-WiFi-Systems-PSV-2018-0140
- https://kb.netgear.com/000062340/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-and-WiFi-Systems-PSV-2018-0140
Get alerted when CVE-2020-26913 or the next vulnerability affects your stack