CVE-2026-3801
A vulnerability was found in Tenda i3 1.0.0.6(2204).
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.66%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A vulnerability was found in Tenda i3 1.0.0.6(2204). Affected by this vulnerability is the function formSetAutoPing of the file /goform/setAutoPing. Performing a manipulation of the argument ping1/ping2 results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been made public and could 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
- 0.66% probability · 51th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-121
- Affected
- tenda/i3 firmware
- Source
- cna@vuldb.com
EPSS 0.7% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-i3-setautoping-ping1-buffer-overflowExploit, Third Party Advisory
- https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-i3-setautoping-ping2-buffer-overflowExploit, Third Party Advisory
- https://vuldb.com/?ctiid.349768Permissions Required, VDB Entry
- https://vuldb.com/?id.349768Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.768980Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.768982Third Party Advisory, VDB Entry
- https://www.tenda.com.cn/Product
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.