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CVE-2026-1420

Tenda AC23 WifiExtraSet buffer overflow

CVSS 8.7 HIGHEPSS 3.5%CWE-119CWE-120
Vexday Risk Score
21Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 8.7EPSS 3.5%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
26 Jan 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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.
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
Affected products
Tenda · AC23

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References
https://github.com/xyh4ck/iot_poc/blob/main/Tenda%20AC23_Buffer_Overflow_WifiExtraSet/Tenda%20AC23_Buffer_Overflow_WifiExtraSet.mdhttps://github.com/xyh4ck/iot_poc/blob/main/Tenda%20AC23_Buffer_Overflow_WifiExtraSet/Tenda%20AC23_Buffer_Overflow_WifiExtraSet.md#pochttps://vuldb.com/?ctiid.342836https://vuldb.com/?id.342836https://vuldb.com/?submit.736559https://www.tenda.com.cn/