CVE-2026-1420: Tenda AC23 WifiExtraSet buffer overflow
Published Jan 26, 2026
·Updated
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 wpapskcrypto causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been published and may be used.
Affected Software
3 affected components
Tenda AC23
All of the following
Tenda Ac23 Firmware=16.03.07.52
Tenda AC23
Event History
Jan 26, 2026
CVE Published
via MITRE·05:02 AM
Data Sourced
via MITRE·05:02 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·06:16 AM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-1420?
CVE-2026-1420 is a critical vulnerability that allows for remote exploitation due to a buffer overflow.
2
How do I fix CVE-2026-1420?
To fix CVE-2026-1420, update the Tenda AC23 firmware to the latest version provided by Tenda.
3
What systems are affected by CVE-2026-1420?
CVE-2026-1420 specifically affects the Tenda AC23 WiFi router version 16.03.07.52.
4
Can CVE-2026-1420 be exploited remotely?
Yes, CVE-2026-1420 allows for remote exploitation through malicious manipulation of the wpapsk_crypto argument.
5
What type of vulnerability is CVE-2026-1420?
CVE-2026-1420 is classified as a buffer overflow vulnerability.