VulnerabilityAnalyzed
CVE-2026-1420
This manipulation of the argument wpapsk_crypto causes buffer overflow.
HIGH 7.4EPSS 3.58%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.58%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 4.0
- 7.4 HIGHCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 3.58% probability · 89th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-120
- Affected
- tenda/ac23 firmware
- Source
- cna@vuldb.com
References
- https://github.com/xyh4ck/iot_poc/blob/main/Tenda%20AC23_Buffer_Overflow_WifiExtraSet/Tenda%20AC23_Buffer_Overflow_WifiExtraSet.mdExploit, Third Party Advisory
- https://github.com/xyh4ck/iot_poc/blob/main/Tenda%20AC23_Buffer_Overflow_WifiExtraSet/Tenda%20AC23_Buffer_Overflow_WifiExtraSet.md#pocExploit
- https://vuldb.com/?ctiid.342836Permissions Required, VDB Entry
- https://vuldb.com/?id.342836Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.736559Third Party Advisory, VDB Entry
- https://www.tenda.com.cn/Product
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.