This indicates an attack attempt to exploit an Information Disclosure vulnerability in various Netgear routers.
The vulnerability is due to insufficient sanitization of user supplied inputs in the application. A remote attacker can exploit this to gain unauthorized access to sensitive information.
# AC1450 V18.104.22.168_10.0.16 (Latest)
# AC1450 V22.214.171.124_1.0.10
# AC1450 V126.96.36.199_1.0.6
# D6400 V188.8.131.52_1.0.44 (V184.108.40.206_1.0.52 and above not affected)
# D6400 V220.127.116.11_1.3.34
DC112A V18.104.22.168_1.0.60 (Latest)
DGN2200v4 V22.214.171.124_5.0.8 (V126.96.36.199_1.0.66 is latest and is not affected)
JNDR3000 V188.8.131.52_1.0.16 (Latest)
R6200 V184.108.40.206_1.0.37 (V220.127.116.11_1.0.41 and above are not affected)
R6200v2 V18.104.22.168_1.0.18 (V22.214.171.124_10.1.10 is latest and is not affected)
R6250 V126.96.36.199_1.0.78 (V188.8.131.52_10.1.10 is latest and is not affected)
R6300 V184.108.40.206_1.0.58 (Latest)
R6300v2 V220.127.116.11_10.0.74 (V18.104.22.168_10.0.76 is latest and is patched)
R6700 V22.214.171.124_10.0.29 (Latest beta)
R6700 V126.96.36.199_10.0.26 (Latest stable)
R6900 V188.8.131.52_1.0.10 (Latest)
R7000 V184.108.40.206_1.1.83 (V220.127.116.11_1.1.93 is latest and is patched)
R8500 V18.104.22.168_1.0.43 (V22.214.171.124_1.0.62 and above is patched)
VEGN2610 V126.96.36.199_1.0.35 (Latest)
WNDR3400v2 V188.8.131.52_1.0.34 (V184.108.40.206_1.0.81 is latest and is not affected)
WNDR3400v3 V220.127.116.11_1.0.29 (V18.104.22.168_1.0.51 is latest and is not affected)
WNDR3700v3 V22.214.171.124_1.0.31 (Latest)
WNDR4000 V126.96.36.199_9.1.86 (Latest)
WNDR4500 V188.8.131.52_1.0.68 (Latest)
WNDR4500v2 V184.108.40.206_1.0.38 (Latest)
WGR614v10 V220.127.116.11_60.0.85NA (Latest)
WN3100RP V18.104.22.168_1.0.19 (Latest)
Lenovo R3220 V22.214.171.124_1.0.16 (Latest)
Lenovo R3220 V126.96.36.199_1.0.13
Information Disclosure: Remote attackers can gain sensitive information from vulnerable systems.
Currently we are unaware of any vendor supplied patch or updates available for this issue.