CVE-2026-1420

Tenda AC23 WifiExtraSet buffer overflow

Published Jan 26, 2026 CVSS 4.0 · 8.7 High EPSS 3.8% KEV · Not listed
Description
A flaw has been found in Tenda AC23 16.03.07.52. This impacts an unknown function of the file /goform/WifiExtraSet. This manipulation of the argument wpapsk_crypto causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been published and may be used.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:o:tenda:ac23_firmware:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Tenda ac23 Firmware
CPEs cpe:2.3:h:tenda:ac23:-:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac23_firmware:16.03.07.52:*:*:*:*:*:*:*
Vendors & Products Tenda ac23 Firmware
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Tenda
Tenda ac23
Vendors & Products Tenda
Tenda ac23
Type Values Removed Values Added
Description A flaw has been found in Tenda AC23 16.03.07.52. This impacts an unknown function of the file /goform/WifiExtraSet. This manipulation of the argument wpapsk_crypto causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been published and may be used.
Title Tenda AC23 WifiExtraSet buffer overflow
Weaknesses CWE-119
CWE-120
References
Metrics cvssV2_0

{'score': 9, 'vector': 'AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 8.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Feb 23, 2026, 8:56 AM
Reserved
Jan 25, 2026, 5:02 PM
Status
Analyzed
Published
Jan 26, 2026, 6:16 AM
Modified
Jun 17, 2026, 10:15 AM