CVE-2021-45637
HIGHNETGEAR R6260/R6800/R6700v2/R6900v2/R7450/AC2100/AC2400/AC2600 Firmware - Unauthenticated Stack-based Buffer Overflow
Title source: llmDescription
Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects R6260 before 1.1.0.76, R6800 before 1.2.0.62, R6700v2 before 1.2.0.62, R6900v2 before 1.2.0.62, R7450 before 1.2.0.62, AC2100 before 1.2.0.62, AC2400 before 1.2.0.62, and AC2600 before 1.2.0.62.
References (1)
Core 1
Core References
Patch, Vendor Advisory x_refsource_misc
https://kb.netgear.com/000064059/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-PSV-2019-0081
Scores
CVSS v3
8.3
EPSS
0.0065
EPSS Percentile
71.2%
Attack Vector
ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Details
CWE
CWE-787
Status
published
Products (8)
netgear/ac2100_firmware
< 1.2.0.62
netgear/ac2400_firmware
< 1.2.0.62
netgear/ac2600_firmware
< 1.2.0.62
netgear/r6260_firmware
< 1.1.0.76
netgear/r6700v2_firmware
< 1.2.0.62
netgear/r6800_firmware
< 1.2.0.62
netgear/r6900v2_firmware
< 1.2.0.62
netgear/r7450_firmware
< 1.2.0.62
Published
Dec 26, 2021
Tracked Since
Feb 18, 2026