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CVE-2020-26140

An issue was discovered in the ALFA Windows 10 driver 6.1316.1209 for AWUS036H. The WEP, WPA, WPA2, and WPA3 implementations accept plaintext frames in a protected Wi-Fi network. An adversary can abuse this to inject arbitrary data frames independent of the network configuration.
6.5
CVSS
5.4
ShadowTrackr
NO
CISA KEV
M/H
NCSC.nl
CVSS v4.0 Metrics
Exploitability
Attack VectorAdjacent
ComplexityLow
RequirementsPresent
PrivilegesNone
User InteractionNone
Threat
Exploit MaturityPoC
Vulnerable System
ConfidentialityNone
IntegrityHigh
AvailabilityNone
Subsequent System
ConfidentialityNone
IntegrityNone
AvailabilityNone
Supplemental
SafetyNegligible
AutomatableYes
RecoveryAutomatic
Value DensityConcentrated
UrgencyMedium
Patch StatusUnavailable

Change Log
DateSourceChangesScore
2026-07-21PoCE: U→P2.3 → 5.4
2026-07-21nvdAV: P→A, AC: H→L, PR: H→N, UI: A→N, VI: N→H0.0 → 2.3
2026-07-21cve.orginitial, patch: Unavailable0.0
References: CVE.org · NVD · NCSC · PoC

Affected Software
VendorProductVersion
alfaawus036h_firmware6.1316.1209
aristac-100_firmwareAll versions
aristac-110_firmwareAll versions
aristac-120_firmwareAll versions
aristac-130_firmwareAll versions
aristac-200_firmwareAll versions
aristac-230_firmwareAll versions
aristac-235_firmwareAll versions
aristac-250_firmwareAll versions
aristac-260_firmwareAll versions
aristac-65_firmwareAll versions
aristac-75_firmwareAll versions
aristao-105_firmwareAll versions
aristao-90_firmwareAll versions
aristaw-118_firmwareAll versions
aristaw-68_firmwareAll versions
cisco1100_firmwareAll versions
cisco1100-4p_firmwareAll versions
cisco1100-8p_firmwareAll versions
cisco1101-4p_firmwareAll versions
cisco1109-2p_firmwareAll versions
cisco1109-4p_firmwareAll versions
ciscoaironet_1532_firmwareAll versions
ciscoaironet_1542d_firmwareAll versions
ciscoaironet_1542i_firmwareAll versions
ciscoaironet_1552_firmwareAll versions
ciscoaironet_1552h_firmwareAll versions
ciscoaironet_1560_firmwareAll versions
ciscoaironet_1562d_firmwareAll versions
ciscoaironet_1562e_firmwareAll versions
ciscoaironet_1562i_firmwareAll versions
ciscoaironet_1572_firmwareAll versions
ciscoaironet_1702_firmwareAll versions
ciscoaironet_1800_firmwareAll versions
ciscoaironet_1800i_firmwareAll versions
ciscoaironet_1810_firmwareAll versions
ciscoaironet_1810w_firmwareAll versions
ciscoaironet_1815_firmwareAll versions
ciscoaironet_1815i_firmwareAll versions
ciscoaironet_1832_firmwareAll versions
ciscoaironet_1842_firmwareAll versions
ciscoaironet_1852_firmwareAll versions
ciscoaironet_2702_firmwareAll versions
ciscoaironet_2800_firmwareAll versions
ciscoaironet_2800e_firmwareAll versions
ciscoaironet_2800i_firmwareAll versions
ciscoaironet_3702_firmwareAll versions
ciscoaironet_3800_firmwareAll versions
ciscoaironet_3800e_firmwareAll versions
ciscoaironet_3800i_firmwareAll versions
ciscoaironet_3800p_firmwareAll versions
ciscoaironet_4800_firmwareAll versions
ciscoaironet_ap803_firmwareAll versions
ciscoaironet_iw3702_firmwareAll versions
ciscocatalyst_9105_firmwareAll versions
ciscocatalyst_9105axi_firmwareAll versions
ciscocatalyst_9105axw_firmwareAll versions
ciscocatalyst_9115_ap_firmwareAll versions
ciscocatalyst_9115_firmwareAll versions
ciscocatalyst_9115axe_firmwareAll versions
ciscocatalyst_9115axi_firmwareAll versions
ciscocatalyst_9117_ap_firmwareAll versions
ciscocatalyst_9117_firmwareAll versions
ciscocatalyst_9117axi_firmwareAll versions
ciscocatalyst_9120_ap_firmwareAll versions
ciscocatalyst_9120_firmwareAll versions
ciscocatalyst_9120axe_firmwareAll versions
ciscocatalyst_9120axi_firmwareAll versions
ciscocatalyst_9120axp_firmwareAll versions
ciscocatalyst_9124_firmwareAll versions
ciscocatalyst_9124axd_firmwareAll versions
ciscocatalyst_9124axi_firmwareAll versions
ciscocatalyst_9130_ap_firmwareAll versions
ciscocatalyst_9130_firmwareAll versions
ciscocatalyst_9130axe_firmwareAll versions
ciscocatalyst_9130axi_firmwareAll versions
ciscocatalyst_iw6300_ac_firmwareAll versions
ciscocatalyst_iw6300_dc_firmwareAll versions
ciscocatalyst_iw6300_dcw_firmwareAll versions
ciscocatalyst_iw6300_firmwareAll versions
ciscoesw-6300-con-x-k9_firmwareAll versions
ciscoesw6300_firmwareAll versions
ciscoip_phone_6861_firmwareAll versions
ciscoip_phone_8821_firmwareAll versions
ciscoip_phone_8832_firmwareAll versions
ciscoip_phone_8861_firmwareAll versions
ciscoip_phone_8865_firmwareAll versions
ciscoir829-2lte-ea-ak9_firmwareAll versions
ciscoir829-2lte-ea-bk9_firmwareAll versions
ciscoir829-2lte-ea-ek9_firmwareAll versions
ciscoir829gw-lte-ga-ck9_firmwareAll versions
ciscoir829gw-lte-ga-ek9_firmwareAll versions
ciscoir829gw-lte-ga-sk9_firmwareAll versions
ciscoir829gw-lte-ga-zk9_firmwareAll versions
ciscoir829gw-lte-na-ak9_firmwareAll versions
ciscoir829gw-lte-vz-ak9_firmwareAll versions
ciscomeraki_gr10_firmwareAll versions
ciscomeraki_gr60_firmwareAll versions
ciscomeraki_mr12_firmwareAll versions
ciscomeraki_mr20_firmwareAll versions
ciscomeraki_mr26_firmwareAll versions
ciscomeraki_mr30h_firmwareAll versions
ciscomeraki_mr32_firmwareAll versions
ciscomeraki_mr33_firmwareAll versions
ciscomeraki_mr34_firmwareAll versions
ciscomeraki_mr36_firmwareAll versions
ciscomeraki_mr42_firmwareAll versions
ciscomeraki_mr42e_firmwareAll versions
ciscomeraki_mr44_firmwareAll versions
ciscomeraki_mr45_firmwareAll versions
ciscomeraki_mr46_firmwareAll versions
ciscomeraki_mr46e_firmwareAll versions
ciscomeraki_mr52_firmwareAll versions
ciscomeraki_mr53_firmwareAll versions
ciscomeraki_mr53e_firmwareAll versions
ciscomeraki_mr55_firmwareAll versions
ciscomeraki_mr56_firmwareAll versions
ciscomeraki_mr62_firmwareAll versions
ciscomeraki_mr66_firmwareAll versions
ciscomeraki_mr70_firmwareAll versions
ciscomeraki_mr72_firmwareAll versions
ciscomeraki_mr74_firmwareAll versions
ciscomeraki_mr76_firmwareAll versions
ciscomeraki_mr84_firmwareAll versions
ciscomeraki_mr86_firmwareAll versions
ciscomeraki_mx64w_firmwareAll versions
ciscomeraki_mx65w_firmwareAll versions
ciscomeraki_mx67cw_firmwareAll versions
ciscomeraki_mx67w_firmwareAll versions
ciscomeraki_mx68cw_firmwareAll versions
ciscomeraki_mx68w_firmwareAll versions
ciscomeraki_z3_firmwareAll versions
ciscomeraki_z3c_firmwareAll versions
ciscowebex_board_55_firmwareAll versions
ciscowebex_board_55s_firmwareAll versions
ciscowebex_board_70_firmwareAll versions
ciscowebex_board_70s_firmwareAll versions
ciscowebex_board_85s_firmwareAll versions
ciscowebex_dx70_firmwareAll versions
ciscowebex_dx80_firmwareAll versions
ciscowebex_room_55_dual_firmwareAll versions
ciscowebex_room_55_firmwareAll versions
ciscowebex_room_70_dual_firmwareAll versions
ciscowebex_room_70_dual_g2_firmwareAll versions
ciscowebex_room_70_firmwareAll versions
ciscowebex_room_70_single_firmwareAll versions
ciscowebex_room_70_single_g2_firmwareAll versions
ciscowebex_room_kit_firmwareAll versions
ciscowebex_room_kit_mini_firmwareAll versions
intelac_8260_firmwareAll versions
intelac_8265_firmwareAll versions
intelac_9260_firmwareAll versions
intelac_9560_firmwareAll versions
intelkiller_ac_1550_firmwareAll versions
intelkiller_wi-fi_6_ax1650_firmwareAll versions
intelkiller_wi-fi_6e_ax1675_firmwareAll versions
intelproset_ac_3165_firmwareAll versions
intelproset_ac_3168_firmwareAll versions
intelproset_ac_8260_firmwareAll versions
intelproset_ac_8265_firmwareAll versions
intelproset_ac_9260_firmwareAll versions
intelproset_ac_9461_firmwareAll versions
intelproset_ac_9462_firmwareAll versions
intelproset_ac_9560_firmwareAll versions
intelproset_wi-fi_6_ax200_firmwareAll versions
intelproset_wi-fi_6_ax201_firmwareAll versions
intelproset_wi-fi_6e_ax210_firmwareAll versions
intelproset_wireless_7265_\(rev_d\)_firmwareAll versions
intelwi-fi_6_ax200_firmwareAll versions
intelwi-fi_6_ax201_firmwareAll versions
siemensscalance_w1748-1_firmwareAll versions
siemensscalance_w1750d_firmwareAll versions
siemensscalance_w1788-1_firmwareAll versions
siemensscalance_w1788-2_firmwareAll versions
siemensscalance_w1788-2ia_firmwareAll versions
siemensscalance_w721-1_firmwareAll versions
siemensscalance_w722-1_firmwareAll versions
siemensscalance_w734-1_firmwareAll versions
siemensscalance_w738-1_firmwareAll versions
siemensscalance_w748-1_firmwareAll versions
siemensscalance_w761-1_firmwareAll versions
siemensscalance_w774-1_firmwareAll versions
siemensscalance_w778-1_firmwareAll versions
siemensscalance_w786-1_firmwareAll versions
siemensscalance_w786-2_firmwareAll versions
siemensscalance_w786-2ia_firmwareAll versions
siemensscalance_w788-1_firmwareAll versions
siemensscalance_w788-2_firmwareAll versions
siemensscalance_wam763-1_firmwareAll versions
siemensscalance_wam766-1_6ghz_firmwareAll versions
siemensscalance_wam766-1_firmwareAll versions
siemensscalance_wum763-1_firmwareAll versions
siemensscalance_wum766-1_6ghz_firmwareAll versions
siemensscalance_wum766-1_firmwareAll versions
Published: 2021-05-11