Description
A vulnerability has been found in Tenda AC20 up to 16.03.08.12. The affected element is the function sscanf of the file /goform/fast_setting_wifi_set. The manipulation of the argument timeZone leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
Affected products
tenda: ac20 firmware; tenda: ac20
References6
- github.com/cymiao1978/cve/blob/main/11.md ExploitThird Party Advisory
- github.com/cymiao1978/cve/blob/main/11.md#poc ExploitThird Party Advisory
- vuldb.com/?ctiid.327312 Permissions RequiredVDB Entry
- vuldb.com/?id.327312 Third Party AdvisoryVDB Entry
- vuldb.com/?submit.664922 Third Party AdvisoryVDB Entry
- www.tenda.com.cn/ Product
Metrics
- CVSS 3.1
-
8.8
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 4.0
-
7.4
HIGH
Score source: CNA
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - EPSS — exploit probability
- 1% percentile: 58 · as of 9 November 2026
- CWE
- CWE-119CWE-120
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